US3098795A - Cosmetic compositions containing lactic acid esters of fatty alcohols - Google Patents
Cosmetic compositions containing lactic acid esters of fatty alcohols Download PDFInfo
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- US3098795A US3098795A US771717A US77171758A US3098795A US 3098795 A US3098795 A US 3098795A US 771717 A US771717 A US 771717A US 77171758 A US77171758 A US 77171758A US 3098795 A US3098795 A US 3098795A
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- Prior art keywords
- lactic acid
- acid esters
- lactate
- skin
- lanolin
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K8/00—Cosmetics or similar toiletry preparations
- A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
- A61K8/30—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds
- A61K8/33—Cosmetics or similar toiletry preparations characterised by the composition containing organic compounds containing oxygen
- A61K8/37—Esters of carboxylic acids
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q15/00—Anti-perspirants or body deodorants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q19/00—Preparations for care of the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
- A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
- A61Q5/00—Preparations for care of the hair
- A61Q5/02—Preparations for cleaning the hair
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S424/00—Drug, bio-affecting and body treating compositions
- Y10S424/01—Aerosol hair preparation
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S424/00—Drug, bio-affecting and body treating compositions
- Y10S424/05—Stick
Definitions
- compositions for the human hair and skin, such as creams, lotions, shampoos, dressings, sticks and the like, it often is the case that there results a detrimental effect on the skin, such as harshness, coarseness, dryness and the like.
- the present invention is intended and adapted to overcome the disadvantages inherent in prior compositions of the type described, it being among the objects thereof to modify such compositions by the addition thereto of substances capable of overcoming said defects and adapted to improve the condition of the skin.
- fatty alcohol lactic acid esters of straight chain fatty alcohols containing at least eight carbon atoms confer on such preparations a wide range of unusual and most desirable properties and effects on the skin and hair, such as lubricity, emolliency, softening and smoothing, resistance to and protection against the drying effects of alcohol solutions, resistance to water and/or soap or deter gents and water, freedom from tactile greasiness or oiliness due to mineral and/ or vegetable oils, marked solvency and coupling effects for lanolin, lanolin isolates and derivatives either alone or in the presence of mineral and vegetable oils and freedom from tackiness or greasiness in preparations containing any of the above mentioned materials.
- Such a range of beneficial properties so markedly enhances the value of, and confers the sought for characteristics in the whole range of cosmetic and pharmaceutical preparations that it is definitely an ingredient of choice in their formulation.
- lactic acid esters of straight chain monohydric alcohols derived from naturally occurring fatty acids comprise lactic acid esters of straight chain monohydric alcohols derived from naturally occurring fatty acids. These esters may readily be made from lactic acid and alcohols such as capryl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl and oleyl alcohols.
- Such alcohols are preferably those which may be obtained by reduction of fatty acids found in coconut type oils and similar oils wherein the fatty acyl radical is reduced to the normal-chain saturated or unsaturated alcohols.
- the presence of as little as 0.5% of the lactate in cosmetic compositions is sulficient to exert a measurable effect and as much as 35% is in some cases used. In most cases from 1% to 5% is sufficient.
- the lactic acid esters may be prepared by utilizing a number of techniques. Thus these compounds may be produced by direct esterification of one molecular weight of lactic acid with an equivalent quantity of the chosen alcohol; again such esters may be prepared by the inter "ice change of the high molecular weight alcohols mentioned for lower molecular weight radicals in lactic acid esters, such as the ethyl radical in ethyl lactate, or again by interesterification of polylactic acid with the described high molecular weight monohydric alcohols.
- the lactic acid esters are made by interesterification between a lower alcohol lactic ester with the higher alcohol, it results in an ester which has poor color and more particularly, very poor and unpleasant odor. It is preferred to produce the esters by direct esterification of the lactic acid with the higher alcohol, thus eliminating the objectional color and odor inherent in esters made by other methods. Pure or technical grade lactic acid is suitable.
- Pure lactic acid, U.S.P. grade, acid (2550 grams) is mixed with dry toluene (3375 ml.) and cetyl alcohol (5453 grams). To this mixture is added concentrated sulfuric acid (18.75 ml. of 96% acid). The mixture is stirred continuously and heated to distill out a constant boiling mixture of toluene and water. At least 802 grams of water are removed, but the accompanying toluene is continuously returned to the mixture. The temperature of the mixture should not be allowed to exceed 130 C., otherwise excessive darkening of the mixture and considerable odor development occurs.
- a solution of soda ash (34.5 grams in about 350 ml. of water) is added to the mixture in order to neutralize the sulfuric acid catalyst.
- the toluene is then removed from the mixture by distillation under vacuum, and the batch is heated under vacuum until the mixture reaches C. at about 20 mm. of mercury pressure, absolute. The vacuum is then released and the mixture is subsequently steam distilled at atmospheric pressure and 110 C. in order to remove the last traces of toluene.
- the mixture is then completely neutralized to an acid number of less than 1.0 by Washing the residual oil at 70 C. with a solution of soda ash and salt in water, and finally with hot 10% salt water solution. This washing also removes much of the color and odor found in the crude ester.
- the color of the batch and the odor may be improved, if desired, by bleaching the material with 2% of its weight of 35% hydrogen peroxide at temperatures ranging from 50 C. at the start to about 1*l0 C. maximum.
- the bleached material may be dried by heating under vacuum or by mixing with anhydrous sodium sulfate.
- an ester made this way has properties which are superior to purer material.
- the ester may be distilled under high vacuum and the distillate is purer than the material We prefer to produce.
- such a pure ester is higher melting and less emollient, and possesses a different feel on the skin, which is less desirable than the refined impure ester that we prefer.
- cetyl lactate is a crystalline solid at room temperature and melts or liquefies readily on contact with the human skin.
- Lauryl lactate (dodecyl lactate) is normally liquid at room temperature while stearyl lactate (octadecyl lactate) is normally solid at room temperature and does not melt readily on contact with the human skin.
- stearyl lactate octadecyl lactate
- An improved composition for hair dressing or for application to the skin may be produced by dissolving cetyl lactate in ethyl alcohol to the extent of up to about parts per hundred by Weight.
- This solution packaged as an aerosol spray under gas pressure, provides a most excellent hair dressing which markedly softened human hair and imparted a distinct sheen to the hair without leaving a greasy appearance or texture.
- Such a spray when applied to the hands, resulted in an excellent and unique hand preparation which imparted an aesthetically smooth, greaseless feeling to roughened and irritated skin.
- the inclusion of the cetyl lactate completely prevented the dry appearance or feeling which is expectable and usual on application of ethyl alcohol to the skin.
- Another hair dressing in accordance with the invention may have the follow" g composition, expressed in parts by weight:
- This lubricating and emollient efliect persisted and was marked even after application of Water or of soap and water to the skin areas to which the emulsion was applied.
- This unique water and/or aqueous detergent resistance is characteristic of any skin-protective lotion, cream or other lotion in which such lactic acid esters constitute an ingredient.
- Such a hand lotion is as follows:
- composition is illustrative of a hand cream:
- lactic acid esters as beneficially functioning ingredients extends to a wide range of cosmetic products.
- Such compounds are especially beneficial adjuvants in lipstick formulations.
- solid lactic acid esters such [for example as cetyl or stearyl lactates are incorporated in lipstick bases, marked improvements in the product result.
- the lactate ester-s function as solid lubricants and emollients which are much more readily incorporated into the solid wax lipstick bases than are liquids having similar or equivalent emollient or lubricating properties.
- the lactates act as very eificient solvents for the haloflnorescein dyes used in lipstick bases.
- An antiper-spirant lotion may have the following constituents:
- a baby lotion is as follows:
- a diaper rash stick may have the following composition:
- Cetyl lactate Parafiin wax 17 Olive oil 27 Lanolin 2 Silicone oil 1 Quaternary NH disinfectant 0.25 Ethyl alcohol 10 Stearyl alcohol 10 Ethoxylated lanolin 3 The following composition provides an excellent shampoo cream:
- a typical suntan lotion has the following composition:
- a scar treatment cream has the following constituents:
- Cetyl lactate 5 Polyethyleneglycol 400 monolinoleate 10 Cetyl alcohol 5 Castor oil 10 Glycerol monostearate l0 Sorbitol (40% aqueous) 2 Water 53 Ethyleneglycol monostearate 5
- Other compositions of analogous character embodying the lactic acid esters include brushless shave cream, vanishing cream, night cream, skin cream, foot cream, soap, and many others. Pharmaceutical compositions for topical use are included.
- Cosmetic compositions such as described herein may have incorporated therein effective compatible germicidal or preservative materials and especially those which contribute both deodorant and antiseptic properties, such for example as selected non-toxic surface active cationic quaternary amines snch as Hyamine 1622 (di-isobutyl phenoxy ethoxy ethyl dimethyl benzyl ammonium chloride) and similar compositions, such as Hyamine l0'-X and Hyamine 2389.
- selected non-toxic surface active cationic quaternary amines snch as Hyamine 1622 (di-isobutyl phenoxy ethoxy ethyl dimethyl benzyl ammonium chloride) and similar compositions, such as Hyamine l0'-X and Hyamine 2389.
- the unique water repellency of the residual film of the described lactic acid ester compositions recommends such compositions, having incorporated therein compatible bactericidal and germicidal agents, for the preparation of surgical sites. Such uses are indicative of the wide range of utility of the described lactic acid esters in formulating improved pharmaceutical and cosmetic products.
- the novel polyfunctional characteristics of the described lactic acid esters establish these compounds as most beneficial ingredients or adjuvants in cosmetic and topical pharmaceutical preparations.
- a cosmetic composition comprising as essential ingredients a homogeneous dispersion of anhydrous lanolin, a vegetable oil and a straight-chain fatty alcohol lactic acid ester in which the fatty alcohol radical contains eight to eighteen carbon atoms, said composition being film-forming when applied to the human skin,
- composition in accordance with claim 1 in which the lactic acid ester is lauryl lactate.
- An antiperspirant composition comprising as essential ingredients an astringent compound of the complex aluminum halide type with which is incorporated an effective amount of a straight-chain alcohol lactic acid ester in which the fatty alcohol radical contains eight to eighteen carbon atoms, said composition being film-forming when applied to the human skin.
- This invention relates to, and has for its object the provision of, a method for producing 16-hydroxylated steroids, and more particularly to a microbial process for converting a 16-unsubstituted steroid to its l6-hydroxy derivative.
- steroids having a methylene group in the 16-position especially 3-keto or 3-hydroxy steroids, or protected derivatives thereof, either of the androstane (including etiocholane and androstene) series or pregnane (including allopregnane, pregnene and pregnadiene) series, the 3,20-diketo steroids of the pregnane series being particularly preferred, can be converted into useful l6a-hydroxy derivatives by subjecting them to the action of enzymes of Streptomyces californicus, Streptomyces coelicolor, or Streptomyces vinaceus or to the action of the organisms themselves, under oxidizing and preferably aerobic conditions.
- the steroids of the pregnane series and more particularly the 3,20-diketo steroids of the pregnane series are preferred.
- steroids of the pregnane series include progesterone; pregnenolone; pregnanolone; 9,8,11,8-oxido progesterone; 9fi,1l;3-oxidodesoxy corticosterone; 11,13,12B-oxidoprogesterone; 116,12/3-oxidodesoxy corticosterone; hydroxylated progesterones, such as 20,6cz,6l3,7,8,9,1la,llfi,l2oa,l4,l5oc, and lSB-hydroxyprogesterone; halogenated progesterone, such as 21-chloroprogesterone; aldosterone; corticosterone; ll-desoxycorticosterone; 17a-hydroxy-1l-desoxycorticosterone (Reichsteins compound S); hydrocortisone; prednisolone; 9u-halohydrocortisones (e.g., 9ix-fluorohydrocort
- the process of this invention is a general one which may be employed to 16a-hydroxylate other classes of steroids such as those of the androstane series, as exemplified by A -androstene-3,17-dione and testosterone; and those of the estrane series, as exemplified by estrone and estradiol.
- steroids formed by the process of this invention are the l6oc-hYdfOXY derivatives of the pregnane series, preferably the l6a-hydroxy-3,ZO-diketo-steroids of the pregnane series.
- Examples of resulting products of the l6ot-hydroxy pregnane series include l6u-hydroxyprogesterone; the l6a-hydroxy derivatives of hydroxylated progesterone; the l6a-hydroxy derivatives of halogenated progesterone; 16Ct-hYdl'OXY3ldOStCI'OHC, 16a-hydroxycorticosterone; 16ix-hydroxy-1l-desoxycorticosterone; 16a, l7ot-dihydroxy-1l-desoxycorticosterone; 16cc hydroxyhydrocortisone; 16a-hydroxyprednisolone; 9oc-hE1lO-16oc-hY- droxyhydrocortisones (e.g., 9u-fluoro-l6ot-hydroxyhydrocortisone); 9a-halo-16a-hydroxyprednisolones (e.g., triamcinolone); 6,9 dihalo 16oz hydroxyhydr
- the IGa-hydroxy derivative is also formed as exemplified by 16a-hydroxy-A -andro stene-3,17-dione and l6ot-hydroxytestosterone. If a steroid of the estrane series is hydroxylated, the hydroxy derivative is also formed as exemplified by 160chydroxyestrone and l6a-hydroxy estriol.
- the action of the enzymes of Streptomyces californicus, Streptomyces coelicolor, or Streptomyces vinaceus to produce l6u-hydroxy steroids can be utilized either by including the steroid in an aerobic culture of the microorganism, or by bringing together, in an aqueous medium, the steroid, air, and enzymes of non-proliferating cells of the microorganism.
- the conditions of culturing the Streptomyces for the purposes of this invention are (except for the inclusion of the steroid to be converted) the same as those of culturing various Streptomyces for the production of antibiotics and/or vitamin B i.e., the microorganism is aerobically grown in contact with (in or on) a suitable fermentation medium.
- a suitable medium essentially comprises a source of nitrogenous and growth-promoting factors, and an assimilable source of carbon and energy.
- the latter may be a carbohydrate and/ or the steroid itself.
- the medium includes an assimilable source of carbon and energy in addition to the steroid.
- the nitrogen source materials may be organic (e.g. soybean meal, cornsteep liquor, meat extract and/ or distillers solubles) or synthetic (i.e., composed of simple, synthesizable organic or inorganic compounds such as ammonium salts, alkali nitrates, .amino acids, urea or thiourea).
- organic e.g. soybean meal, cornsteep liquor, meat extract and/ or distillers solubles
- synthetic i.e., composed of simple, synthesizable organic or inorganic compounds such as ammonium salts, alkali nitrates, .amino acids, urea or thiourea.
- lipids especially (1) fatty acids having at least 14 carbon atoms, (2) fats or (3) mixtures thereof, may be used.
- examples of such fats are lard oil, soybean oil, linseed oil, cottonseed oil, peanut oil, fancy mutton tallow, sperm oil, olive oil, tristearin, tripalmitin, triolein and trilaurein, and illust-ra tive fatty acids include stearic, palmitic, oleic, linoleic and myristic acids.
- carbon-containing materials may also be used.
- materials such materials as glycerol, glucose, fructose, sucrose, lactose, maltose, dextrins, starches, whey, etc.
- These materials may be used either in purified state or as concentrates, such as whey concentrate, corn, wheat or barley mash; or mixtures of the above may be employed. It is to be noted, however, that the steroid is added to the fermentation medium essentially as a precursor and not as an energy source.
- EXAMPLE 1 Fermentation Grams Glucose 10 Yeast extract 2.5 K HPQ, 1 Agar 20 Distilled water to 1 liter.
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Description
United States Patent 3,098,795 COSMETTC CQMPQSITKONS CONTAINING LACTIC ACID EdTERS 0F FATTY ALCOHOLS Saul I. Kreps, Cedar Grove, N.J., assignor to Van Dyk & Company, Inc, a corporation of New Jersey No Drawing. Filed Nov. 4, 1958, Ser. No. 771,717 3 Claims. (Cl. 167-90) This invention relates to improved cosmetic and pharmaceutical preparations for topical application. The present application is a continuation-in-part of pending application Serial No. 679,120, filed August 20, 1957, now abandoned, entitled Cosmetic and Pharmaceutical Preparations for Topical Application.
In the application of various cosmetic compositions to the human hair and skin, such as creams, lotions, shampoos, dressings, sticks and the like, it often is the case that there results a detrimental effect on the skin, such as harshness, coarseness, dryness and the like. The present invention is intended and adapted to overcome the disadvantages inherent in prior compositions of the type described, it being among the objects thereof to modify such compositions by the addition thereto of substances capable of overcoming said defects and adapted to improve the condition of the skin.
It is also among the objects of the invention to provide an additive which consists of lactic acid esters which, when combined with the other constituents will enhance their favorable properties.
It is further among the objects of the invention to utilize a process for producing said lactic acid esters which results in properties eminently suitable for the stated purposes.
In practicing the invention, it has been found specifically that fatty alcohol lactic acid esters of straight chain fatty alcohols containing at least eight carbon atoms confer on such preparations a wide range of unusual and most desirable properties and effects on the skin and hair, such as lubricity, emolliency, softening and smoothing, resistance to and protection against the drying effects of alcohol solutions, resistance to water and/or soap or deter gents and water, freedom from tactile greasiness or oiliness due to mineral and/ or vegetable oils, marked solvency and coupling effects for lanolin, lanolin isolates and derivatives either alone or in the presence of mineral and vegetable oils and freedom from tackiness or greasiness in preparations containing any of the above mentioned materials. Such a range of beneficial properties so markedly enhances the value of, and confers the sought for characteristics in the whole range of cosmetic and pharmaceutical preparations that it is definitely an ingredient of choice in their formulation.
The components of such cosmetic preparations comprise lactic acid esters of straight chain monohydric alcohols derived from naturally occurring fatty acids. These esters may readily be made from lactic acid and alcohols such as capryl, decyl, dodecyl, tetradecyl, hexadecyl, octadecyl and oleyl alcohols. Such alcohols are preferably those which may be obtained by reduction of fatty acids found in coconut type oils and similar oils wherein the fatty acyl radical is reduced to the normal-chain saturated or unsaturated alcohols. The presence of as little as 0.5% of the lactate in cosmetic compositions is sulficient to exert a measurable effect and as much as 35% is in some cases used. In most cases from 1% to 5% is sufficient.
The lactic acid esters may be prepared by utilizing a number of techniques. Thus these compounds may be produced by direct esterification of one molecular weight of lactic acid with an equivalent quantity of the chosen alcohol; again such esters may be prepared by the inter "ice change of the high molecular weight alcohols mentioned for lower molecular weight radicals in lactic acid esters, such as the ethyl radical in ethyl lactate, or again by interesterification of polylactic acid with the described high molecular weight monohydric alcohols.
When the lactic acid esters are made by interesterification between a lower alcohol lactic ester with the higher alcohol, it results in an ester which has poor color and more particularly, very poor and unpleasant odor. It is preferred to produce the esters by direct esterification of the lactic acid with the higher alcohol, thus eliminating the objectional color and odor inherent in esters made by other methods. Pure or technical grade lactic acid is suitable.
The following is a specific example of the preparation of an ester for use in cosmetic and like compositions:
Pure lactic acid, U.S.P. grade, acid (2550 grams) is mixed with dry toluene (3375 ml.) and cetyl alcohol (5453 grams). To this mixture is added concentrated sulfuric acid (18.75 ml. of 96% acid). The mixture is stirred continuously and heated to distill out a constant boiling mixture of toluene and water. At least 802 grams of water are removed, but the accompanying toluene is continuously returned to the mixture. The temperature of the mixture should not be allowed to exceed 130 C., otherwise excessive darkening of the mixture and considerable odor development occurs.
When the required amount of water has been removed, a solution of soda ash (34.5 grams in about 350 ml. of water) is added to the mixture in order to neutralize the sulfuric acid catalyst. The toluene is then removed from the mixture by distillation under vacuum, and the batch is heated under vacuum until the mixture reaches C. at about 20 mm. of mercury pressure, absolute. The vacuum is then released and the mixture is subsequently steam distilled at atmospheric pressure and 110 C. in order to remove the last traces of toluene.
The mixture is then completely neutralized to an acid number of less than 1.0 by Washing the residual oil at 70 C. with a solution of soda ash and salt in water, and finally with hot 10% salt water solution. This washing also removes much of the color and odor found in the crude ester. The color of the batch and the odor may be improved, if desired, by bleaching the material with 2% of its weight of 35% hydrogen peroxide at temperatures ranging from 50 C. at the start to about 1*l0 C. maximum. The bleached material may be dried by heating under vacuum or by mixing with anhydrous sodium sulfate.
It has been found that an ester made this way has properties which are superior to purer material. For example, the ester may be distilled under high vacuum and the distillate is purer than the material We prefer to produce. However, such a pure ester is higher melting and less emollient, and possesses a different feel on the skin, which is less desirable than the refined impure ester that we prefer.
The physical properties of the several lactic acid esters will vary with the characteristics and identity of the particular alcohol employed. Thus cetyl lactate is a crystalline solid at room temperature and melts or liquefies readily on contact with the human skin. Lauryl lactate (dodecyl lactate) is normally liquid at room temperature while stearyl lactate (octadecyl lactate) is normally solid at room temperature and does not melt readily on contact with the human skin. The choice of the particular lactate or mixtures of lactates which are employed in any given formulation will be dictated by the particular use to which the end product is to be put and the characteristics desired to be imparted to such product.
The wide beneficial effect and extensive scope of the use of the described lactic acid esters can be appreciated and evaluated from a consideration of the characteristics of several typical and illustrative products :formulated with these esters as an ingredient or component.
An improved composition for hair dressing or for application to the skin may be produced by dissolving cetyl lactate in ethyl alcohol to the extent of up to about parts per hundred by Weight. This solution, packaged as an aerosol spray under gas pressure, provides a most excellent hair dressing which markedly softened human hair and imparted a distinct sheen to the hair without leaving a greasy appearance or texture. Such a spray, when applied to the hands, resulted in an excellent and unique hand preparation which imparted an aesthetically smooth, greaseless feeling to roughened and irritated skin. .Characteris-tically, the inclusion of the cetyl lactate completely prevented the dry appearance or feeling which is expectable and usual on application of ethyl alcohol to the skin.
Another hair dressing in accordance with the invention may have the follow" g composition, expressed in parts by weight:
Polyethyleneglycol 600 stearate 9 Lanolin 1 Petrolatum Heavy mineral oil 17 Parafiin wax 5 Isopropyl linoleate 1 Cetyl lactate 2 Preservative 0.1 Triethanolamine 1 Water 54 Ethyl alcohol 76 Myristyl lactate 4 Water 20 The utilization of the lactic acid esters in hand lotion emulsions also produced unique and desirable results. Thus the addition of from live to about ten percent by weight of cetyl lactate to an emulsified hand lotion imparted very unusual and prolonged lubricity and emolliency to the skin without any appearance of greasiness or tack. The prolongation of these effects are evidently due to the water repellance which the lactate esters impart to residual filmon the skin. This lubricating and emollient efliect persisted and was marked even after application of Water or of soap and water to the skin areas to which the emulsion was applied. This unique water and/or aqueous detergent resistance is characteristic of any skin-protective lotion, cream or other lotion in which such lactic acid esters constitute an ingredient. Such a hand lotion is as follows:
i A most importantproperty of such lactic acid esters,
which established them as most desirable ingredients in cosmetic and pharmaceutical preparations is their powertul and unusual solvent and coupling action. This is exemplified in their action with lanolin. F or example, up to the order of about twenty parts of anhydrous lanolin are completely and clearly soluble in one hundred parts of lauryl lactate. This resulting solution on application to the skin displayed a remarkable lubricating and emoll-ient action or elfect, Without any accompanying greasiness or oleaginous or tacky feeling on the skin. It was further ascertained that lauryl acetate, for example, functions as an excellent coupling agent for anhydrous lanolin and mineral oil.
The following composition is illustrative of a hand cream:
NNNQ I The efiicacy of the described lactic acid esters as solvents and coupling agents for lanolin is a striking and eminently desirable property. "For example, in the absence of the lactate esters, anhydrous lanolin presents only partial incomplete solubility in mineral oil. Such solutions do not remain clear for any substantial period of time and the less soluble portions of lanolin precipitate from the solution after some period of storage. However by including small amounts of the lactates in such mixture-s, permanent and completely homogeneous solutions of lanolin and mineral oil or of lanolin and vegetable oils are achieved and such solutions do not separate on storage. Here again such solutions on application do not produce any greasy or tacky feeling on the skin or hair.
As indicated, the use of lactic acid esters as beneficially functioning ingredients extends to a wide range of cosmetic products. Such compounds, for example, are especially beneficial adjuvants in lipstick formulations. When solid lactic acid esters, such [for example as cetyl or stearyl lactates are incorporated in lipstick bases, marked improvements in the product result. in this particular use, the lactate ester-s function as solid lubricants and emollients which are much more readily incorporated into the solid wax lipstick bases than are liquids having similar or equivalent emollient or lubricating properties. It is of special note also that the lactates act as very eificient solvents for the haloflnorescein dyes used in lipstick bases.
An additional unique, unpredictable and peculiarly beneficial characteristic of certain of this novel group of lactic acid esters is their salutary modifying eifect on typical astringent antiperspirant preparations. For ex ample, it has been ascertained that the addition of a small amount of lauryl lactate to an astringent of this type, such as an aluminum chlorohydroxide preparation, completely overcomes and eliminates the unpleasant drag experienced in the application of such astringents in stick, emulsified lotion or cream, spray or solution form.
An antiper-spirant lotion may have the following constituents:
Glycerol monostearate 3 Polyoxyethylene laurate-oleate 7 lanolin 1 Lauryl lactate 2 Propylene glycol 3 Al chlorohydroxide (50% aqueous) 40 Water 44 In a stick form of antiperspirant, the following composition may be considered as typical:
Al chlorohydroxide (50% aqueous) 50 Ethyl alcohol 39 Propylene glycol 3 Cetyl lactate 2 Sodium stearate 6 This new composition, i.e. the astringent preparation containing the lactic acid ester, displays no roll up upon application to the skin. Furthermore, the improved composition, when topically applied, is rapidly absorbed and, within less than a minute, there is no evidence or sign that the material has been applied. The benefit conferred by the lactic acid esters on such astringent preparations markedly improves the physical characteristics of such products. The addition of the lactic acid ester produces a material which combines desirably solidity, suitable plasticity and nonfrangible, or crumbling tendencies.
A baby lotion is as follows:
Glycerol monostearate 3 Propylene glycol stearate 3 Sesame oil 10 Cetyl lactate 2 Ethoxylated lanolin 2 Stearic acid 4 Triethanolamine 1 Sorbitol (40% aqueous) 2 3O Citric acid 1 Water 72 A diaper rash stick may have the following composition:
Cetyl lactate Parafiin wax 17 Olive oil 27 Lanolin 2 Silicone oil 1 Quaternary NH disinfectant 0.25 Ethyl alcohol 10 Stearyl alcohol 10 Ethoxylated lanolin 3 The following composition provides an excellent shampoo cream:
Lanolin 1 Stearic acid 3S Polyethyleneglycol 400 distearate 2 Diethanolamine-fatty acid condensate 3 Magnesium stearate 2 Sodium lauryl sulfate paste 47.2 Preservative 0.1 Lauryl lactate 5 NaOH (50% solution) 0.5 Water 34.5
A typical suntan lotion has the following composition:
Heavy mineral oil 5 Sesame oil 3 Dipropylene glycol methyl ether 1 Glycerol monostearate 6 Lanolin 1 Cetyl lactate l Agar gum 1 Water 67.3 7 Triethanolamine 1 Urea 5 Polyethyleneglycol 400 monolaurate 3 Ethyl-p-gluconylimidobenzoate 2.7 Glycerine 3 A scar treatment cream has the following constituents:
Cetyl lactate 5 Polyethyleneglycol 400 monolinoleate 10 Cetyl alcohol 5 Castor oil 10 Glycerol monostearate l0 Sorbitol (40% aqueous) 2 Water 53 Ethyleneglycol monostearate 5 Other compositions of analogous character embodying the lactic acid esters include brushless shave cream, vanishing cream, night cream, skin cream, foot cream, soap, and many others. Pharmaceutical compositions for topical use are included.
Cosmetic compositions such as described herein may have incorporated therein effective compatible germicidal or preservative materials and especially those which contribute both deodorant and antiseptic properties, such for example as selected non-toxic surface active cationic quaternary amines snch as Hyamine 1622 (di-isobutyl phenoxy ethoxy ethyl dimethyl benzyl ammonium chloride) and similar compositions, such as Hyamine l0'-X and Hyamine 2389.
The unique water repellency of the residual film of the described lactic acid ester compositions recommends such compositions, having incorporated therein compatible bactericidal and germicidal agents, for the preparation of surgical sites. Such uses are indicative of the wide range of utility of the described lactic acid esters in formulating improved pharmaceutical and cosmetic products. The novel polyfunctional characteristics of the described lactic acid esters establish these compounds as most beneficial ingredients or adjuvants in cosmetic and topical pharmaceutical preparations.
While certain examples of specific cosmetic preparations, comprised of the novel combination of such esters with other ingredients, have been described, it will be understood that these are given as exemplary of the beneficial actions and effects of such esters in the whole range of cosmetic products. Thus the use of these lactic acid esters as desirable ingredients to produce novel combinations possessed of unique properties ramiiies through the field of cosmetic products such as lotions, creams, aerosol products, wax base products such as lipsticks, in which the described properties of enhanced lubricity, emolliency, solvency and/ or coupling action, water resistance, absence of residual greasiness and tack, are the desiderata.
I claim:
1. A cosmetic composition comprising as essential ingredients a homogeneous dispersion of anhydrous lanolin, a vegetable oil and a straight-chain fatty alcohol lactic acid ester in which the fatty alcohol radical contains eight to eighteen carbon atoms, said composition being film-forming when applied to the human skin,
2. A composition in accordance with claim 1 in which the lactic acid ester is lauryl lactate.
3. An antiperspirant composition comprising as essential ingredients an astringent compound of the complex aluminum halide type with which is incorporated an effective amount of a straight-chain alcohol lactic acid ester in which the fatty alcohol radical contains eight to eighteen carbon atoms, said composition being film-forming when applied to the human skin.
Graves Mar. 12, 1935 Graves Mar. 12, 1935 (Other references on following page) United States Patent poration of Virginia No Drawing. Filed Oct. 19, 1961, Ser. No. 146,346 6 Claims. ((Il. 195-51) This invention relates to, and has for its object the provision of, a method for producing 16-hydroxylated steroids, and more particularly to a microbial process for converting a 16-unsubstituted steroid to its l6-hydroxy derivative.
It has been found that steroids having a methylene group in the 16-position, especially 3-keto or 3-hydroxy steroids, or protected derivatives thereof, either of the androstane (including etiocholane and androstene) series or pregnane (including allopregnane, pregnene and pregnadiene) series, the 3,20-diketo steroids of the pregnane series being particularly preferred, can be converted into useful l6a-hydroxy derivatives by subjecting them to the action of enzymes of Streptomyces californicus, Streptomyces coelicolor, or Streptomyces vinaceus or to the action of the organisms themselves, under oxidizing and preferably aerobic conditions.
Among the steroids which may be oxygenated by the practice of this invention are those steroids unsubstituted in the l6-position, which are members of: the androstane series, which series includes the androstene and etiocholane series; the estrane series, which series includes the estratriene series; and the pregnane series, which series includes the allo-pregnane, pregneue and pregnadiene series. Of these, the steroids of the pregnane series, and more particularly the 3,20-diketo steroids of the pregnane series are preferred. Examples of suitable steroids of the pregnane series include progesterone; pregnenolone; pregnanolone; 9,8,11,8-oxido progesterone; 9fi,1l;3-oxidodesoxy corticosterone; 11,13,12B-oxidoprogesterone; 116,12/3-oxidodesoxy corticosterone; hydroxylated progesterones, such as 20,6cz,6l3,7,8,9,1la,llfi,l2oa,l4,l5oc, and lSB-hydroxyprogesterone; halogenated progesterone, such as 21-chloroprogesterone; aldosterone; corticosterone; ll-desoxycorticosterone; 17a-hydroxy-1l-desoxycorticosterone (Reichsteins compound S); hydrocortisone; prednisolone; 9u-halohydrocortisones (e.g., 9ix-fluorohydrocortisone); 9a-halo-prednisolones (e.g., 9 x-fiuoroprednisolone); 6,9a-dihalohydrocortisones (e.g., 60$,90L'dlfluorohydrocortisone); and 6,9a-dihaloprednisolones (e.g., 6u,9a-difluoroprednisolone). As indicated before, however, although the preferred starting materials are steroids of the pregnane series, the process of this invention is a general one which may be employed to 16a-hydroxylate other classes of steroids such as those of the androstane series, as exemplified by A -androstene-3,17-dione and testosterone; and those of the estrane series, as exemplified by estrone and estradiol.
Among the steroids formed by the process of this invention are the l6oc-hYdfOXY derivatives of the pregnane series, preferably the l6a-hydroxy-3,ZO-diketo-steroids of the pregnane series. Examples of resulting products of the l6ot-hydroxy pregnane series include l6u-hydroxyprogesterone; the l6a-hydroxy derivatives of hydroxylated progesterone; the l6a-hydroxy derivatives of halogenated progesterone; 16Ct-hYdl'OXY3ldOStCI'OHC, 16a-hydroxycorticosterone; 16ix-hydroxy-1l-desoxycorticosterone; 16a, l7ot-dihydroxy-1l-desoxycorticosterone; 16cc hydroxyhydrocortisone; 16a-hydroxyprednisolone; 9oc-hE1lO-16oc-hY- droxyhydrocortisones (e.g., 9u-fluoro-l6ot-hydroxyhydrocortisone); 9a-halo-16a-hydroxyprednisolones (e.g., triamcinolone); 6,9 dihalo 16oz hydroxyhydrocortisones (e.g., 6u,9a-difiuoro-lfiot-hydroxyhydrocortisone); and 6, 9a-dihalo-16a-hydroxyprednisolones (e.g., 6a,9oc-difiu0r0- l6u-hydroxyprednisolone). If a steroid of the androstane series is hydroxylated, the IGa-hydroxy derivative is also formed as exemplified by 16a-hydroxy-A -andro stene-3,17-dione and l6ot-hydroxytestosterone. If a steroid of the estrane series is hydroxylated, the hydroxy derivative is also formed as exemplified by 160chydroxyestrone and l6a-hydroxy estriol.
The action of the enzymes of Streptomyces californicus, Streptomyces coelicolor, or Streptomyces vinaceus to produce l6u-hydroxy steroids can be utilized either by including the steroid in an aerobic culture of the microorganism, or by bringing together, in an aqueous medium, the steroid, air, and enzymes of non-proliferating cells of the microorganism.
In general, the conditions of culturing the Streptomyces for the purposes of this invention are (except for the inclusion of the steroid to be converted) the same as those of culturing various Streptomyces for the production of antibiotics and/or vitamin B i.e., the microorganism is aerobically grown in contact with (in or on) a suitable fermentation medium. A suitable medium essentially comprises a source of nitrogenous and growth-promoting factors, and an assimilable source of carbon and energy. The latter may be a carbohydrate and/ or the steroid itself. Preferably, however, the medium includes an assimilable source of carbon and energy in addition to the steroid.
The nitrogen source materials may be organic (e.g. soybean meal, cornsteep liquor, meat extract and/ or distillers solubles) or synthetic (i.e., composed of simple, synthesizable organic or inorganic compounds such as ammonium salts, alkali nitrates, .amino acids, urea or thiourea).
As to the source material, lipids, especially (1) fatty acids having at least 14 carbon atoms, (2) fats or (3) mixtures thereof, may be used. Examples of such fats are lard oil, soybean oil, linseed oil, cottonseed oil, peanut oil, fancy mutton tallow, sperm oil, olive oil, tristearin, tripalmitin, triolein and trilaurein, and illust-ra tive fatty acids include stearic, palmitic, oleic, linoleic and myristic acids.
Other carbon-containing materials may also be used. For example, such materials as glycerol, glucose, fructose, sucrose, lactose, maltose, dextrins, starches, whey, etc., are adequate carbon source mate-rials. These materials may be used either in purified state or as concentrates, such as whey concentrate, corn, wheat or barley mash; or mixtures of the above may be employed. It is to be noted, however, that the steroid is added to the fermentation medium essentially as a precursor and not as an energy source.
The following examples are illustrative of the invention: 7
EXAMPLE 1 (a) Fermentation Grams Glucose 10 Yeast extract 2.5 K HPQ, 1 Agar 20 Distilled water to 1 liter.
is suspended in 2.5 ml. of a 0.01% sodium lauryl sulphate aqueous solution. One ml. portions of the suspension are used to inoculate ten 250 m1. conical flasks, each
Claims (1)
1. A COSMETIC COMPOSITION COMPRISING AS ESSENTIAL INGREDIENTS A HOMOGENEOUS DISPERSION OF ANHYDROUS LANOLIN, A VEGETABLE OIL AND A STRAGHT-CHAIN FATTY ALCOHOL LACTIC ACID ESTER IN WHICH THE FATTY ALCOHOL RADICAL CONTAINS EIGHT TO EITHTEEN CARBON ATOMS, SAID COMPOSITION BEING FILM-FORMING WHEN APPLIED TO THE HUMAN SKIN.
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US771717A US3098795A (en) | 1958-11-04 | 1958-11-04 | Cosmetic compositions containing lactic acid esters of fatty alcohols |
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US771717A US3098795A (en) | 1958-11-04 | 1958-11-04 | Cosmetic compositions containing lactic acid esters of fatty alcohols |
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Cited By (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294837A (en) * | 1961-04-18 | 1966-12-27 | Lever Brothers Ltd | Stearyl and cetyl lactoyl lactate |
US3472940A (en) * | 1965-03-25 | 1969-10-14 | Patterson Co C | Stable gelled alcohol compositions containing sodium acyl lactylates |
US3728447A (en) * | 1970-03-03 | 1973-04-17 | Patterson Co C | Fatty acid lactylates and glycolates for conditioning hair |
US3835169A (en) * | 1971-06-23 | 1974-09-10 | M Schlossman | Lanolin derivatives essentially comprising esters of lanolin alcohol with lactic acid |
JPS5082103A (en) * | 1974-01-22 | 1975-07-03 | ||
US4049792A (en) * | 1973-06-26 | 1977-09-20 | The Procter & Gamble Company | Antiperspirant stick |
FR2371920A1 (en) * | 1976-10-15 | 1978-06-23 | Unilever Nv | COMPOSITIONS ESPECIALLY USEFUL FOR THE TREATMENT OF ACNE |
US4107333A (en) * | 1975-03-26 | 1978-08-15 | Laboratories Cassenne | Skin care with a cosmetic composition containing oleyl acetate |
US4146649A (en) * | 1976-10-14 | 1979-03-27 | Faberge, Incorporated | Skin moisturizing composition containing a polyethoxy fatty alcohol and a polyethoxy glycoside |
EP0006233A1 (en) * | 1978-06-19 | 1980-01-09 | Henkel Kommanditgesellschaft auf Aktien | The use of a combination of mono or dibasic aliphatic hydroxycarbonic acid esters with antioxydants as deodorants |
EP0058474A2 (en) * | 1981-01-26 | 1982-08-25 | Unilever Plc | Cosmetic product |
WO1985002113A1 (en) * | 1983-11-08 | 1985-05-23 | Wella Aktiengesellschaft | Hair cure agent and hair treatment process |
EP0261812A1 (en) * | 1986-08-29 | 1988-03-30 | Unilever Plc | Cosmetic composition |
US4762946A (en) * | 1985-04-15 | 1988-08-09 | Henkel Kommanditgesellschaft Auf Aktien | Esters of unsaturated carboxylic acids |
US4765922A (en) * | 1986-09-30 | 1988-08-23 | L'oreal | Skin cleansing composition in the form of a rod or stick comprising a lactate |
WO1988006880A1 (en) * | 1987-03-13 | 1988-09-22 | R.I.T.A. Corporation | Cosmetic base composition with therapeutic properties |
US4846991A (en) * | 1987-02-12 | 1989-07-11 | Kao Corporation | Novel fatty acid-lactic acid ester |
US4946832A (en) * | 1987-03-13 | 1990-08-07 | R.I.T.A. Corporation | Cosmetic base composition with therapeutic properties |
US5071754A (en) * | 1990-01-23 | 1991-12-10 | Battelle Memorial Institute | Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid |
US5252473A (en) * | 1990-01-23 | 1993-10-12 | Battelle Memorial Institute | Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid |
EP0595528A2 (en) * | 1992-10-23 | 1994-05-04 | Unilever Plc | Skin cosmetic composition containing lactylates |
US5413793A (en) * | 1988-12-30 | 1995-05-09 | Edko Trading And Representation Company Limited | Multiphase suppository |
US5422117A (en) * | 1990-06-28 | 1995-06-06 | Edko Trading And Representation Company Ltd. | Multiphase pharmaceutical formulations |
US5482645A (en) * | 1993-04-09 | 1996-01-09 | Purac Biochem B.V. | Non-ozone depleting cleaning composition for degreasing and defluxing purposes |
US5556630A (en) * | 1995-01-03 | 1996-09-17 | Chesebrough-Pond's Usc Co., Division Of Conopco, Inc. | Cold creams containing acyl lactylates |
US5569450A (en) * | 1993-03-17 | 1996-10-29 | Minnesota Mining And Manufacturing Company | Aerosol formulation containing an ester-, amide-, or mercaptoester-derived dispersing aid |
EP0720846A3 (en) * | 1995-01-03 | 1997-03-19 | Unilever Plc | Cold creams containing acyl lactylates |
EP0878188A2 (en) * | 1997-05-16 | 1998-11-18 | Henkel Kommanditgesellschaft auf Aktien | Use of lactic acid esters as oil-replenishing agents in skin and hair cosmetics |
EP0955037A1 (en) * | 1998-03-30 | 1999-11-10 | Cognis Deutschland GmbH | Skin care compositions |
EP0971018A2 (en) * | 1998-07-10 | 2000-01-12 | CONDEA AUGUSTA S.p.A. | Detergent composition with a softening and protective action of natural fibres |
US6042811A (en) * | 1993-03-17 | 2000-03-28 | 3M Innovative Properties Company | Aerosol formulation containing a diol-diacid derived dispersing aid |
EP1287811A2 (en) * | 2001-08-30 | 2003-03-05 | Beiersdorf Aktiengesellschaft | Lactic acid esters in hair conditioner compositions |
DE10156574A1 (en) * | 2001-11-21 | 2003-06-05 | Braun Gmbh | Shaving fluid for a razor |
WO2012046046A1 (en) | 2010-10-06 | 2012-04-12 | Bio Skincare Limited | Composition for skin treatment |
WO2012046047A1 (en) | 2010-10-06 | 2012-04-12 | Bio Skincare Limited | Composition for use in the treatment of acne |
EP2810640A1 (en) | 2013-06-03 | 2014-12-10 | Basf Se | Esters of oligohydroxy carboxylic acids and their use |
US20170165395A1 (en) * | 2015-12-15 | 2017-06-15 | The Procter & Gamble Company | Systems for managing intimate skin |
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Cited By (54)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3294837A (en) * | 1961-04-18 | 1966-12-27 | Lever Brothers Ltd | Stearyl and cetyl lactoyl lactate |
US3472940A (en) * | 1965-03-25 | 1969-10-14 | Patterson Co C | Stable gelled alcohol compositions containing sodium acyl lactylates |
US3728447A (en) * | 1970-03-03 | 1973-04-17 | Patterson Co C | Fatty acid lactylates and glycolates for conditioning hair |
US3835169A (en) * | 1971-06-23 | 1974-09-10 | M Schlossman | Lanolin derivatives essentially comprising esters of lanolin alcohol with lactic acid |
US4049792A (en) * | 1973-06-26 | 1977-09-20 | The Procter & Gamble Company | Antiperspirant stick |
JPS5082103A (en) * | 1974-01-22 | 1975-07-03 | ||
JPS5512418B2 (en) * | 1974-01-22 | 1980-04-02 | ||
US4107333A (en) * | 1975-03-26 | 1978-08-15 | Laboratories Cassenne | Skin care with a cosmetic composition containing oleyl acetate |
US4146649A (en) * | 1976-10-14 | 1979-03-27 | Faberge, Incorporated | Skin moisturizing composition containing a polyethoxy fatty alcohol and a polyethoxy glycoside |
FR2371920A1 (en) * | 1976-10-15 | 1978-06-23 | Unilever Nv | COMPOSITIONS ESPECIALLY USEFUL FOR THE TREATMENT OF ACNE |
EP0006233A1 (en) * | 1978-06-19 | 1980-01-09 | Henkel Kommanditgesellschaft auf Aktien | The use of a combination of mono or dibasic aliphatic hydroxycarbonic acid esters with antioxydants as deodorants |
FR2429015A2 (en) * | 1978-06-19 | 1980-01-18 | Henkel Kgaa | USE OF ALIPHATIC HYDROXYCARBOXYLIC ACID ESTERS AS DEODORIZERS |
EP0058474A2 (en) * | 1981-01-26 | 1982-08-25 | Unilever Plc | Cosmetic product |
EP0058474A3 (en) * | 1981-01-26 | 1983-07-06 | Unilever Plc | Cosmetic product |
WO1985002113A1 (en) * | 1983-11-08 | 1985-05-23 | Wella Aktiengesellschaft | Hair cure agent and hair treatment process |
EP0144688A1 (en) * | 1983-11-08 | 1985-06-19 | Wella Aktiengesellschaft | Composition and method for the treatment of hair |
US4719930A (en) * | 1983-11-08 | 1988-01-19 | Wella Aktiengesellschaft | Hair treatment and process for hair treatment |
AU570277B2 (en) * | 1983-11-08 | 1988-03-10 | Wella Aktiengesellschaft | Hair conditioner |
US4906702A (en) * | 1985-04-15 | 1990-03-06 | Henkel Kommanditgesellschaft Auf Aktien | Esters of unsaturated carboxylic acids, preparation of their oil-soluble homo- and copolymers and use thereof as pour point depressants |
US4762946A (en) * | 1985-04-15 | 1988-08-09 | Henkel Kommanditgesellschaft Auf Aktien | Esters of unsaturated carboxylic acids |
EP0261812A1 (en) * | 1986-08-29 | 1988-03-30 | Unilever Plc | Cosmetic composition |
US4839161A (en) * | 1986-08-29 | 1989-06-13 | Bowser Paul A | Cosmetic products |
US4765922A (en) * | 1986-09-30 | 1988-08-23 | L'oreal | Skin cleansing composition in the form of a rod or stick comprising a lactate |
US4846991A (en) * | 1987-02-12 | 1989-07-11 | Kao Corporation | Novel fatty acid-lactic acid ester |
WO1988006880A1 (en) * | 1987-03-13 | 1988-09-22 | R.I.T.A. Corporation | Cosmetic base composition with therapeutic properties |
US4946832A (en) * | 1987-03-13 | 1990-08-07 | R.I.T.A. Corporation | Cosmetic base composition with therapeutic properties |
US5413793A (en) * | 1988-12-30 | 1995-05-09 | Edko Trading And Representation Company Limited | Multiphase suppository |
US5071754A (en) * | 1990-01-23 | 1991-12-10 | Battelle Memorial Institute | Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid |
US5252473A (en) * | 1990-01-23 | 1993-10-12 | Battelle Memorial Institute | Production of esters of lactic acid, esters of acrylic acid, lactic acid, and acrylic acid |
US5422117A (en) * | 1990-06-28 | 1995-06-06 | Edko Trading And Representation Company Ltd. | Multiphase pharmaceutical formulations |
EP0595528A2 (en) * | 1992-10-23 | 1994-05-04 | Unilever Plc | Skin cosmetic composition containing lactylates |
EP0595528A3 (en) * | 1992-10-23 | 1994-11-17 | Unilever Plc | Skin cosmetic composition containing lactylates. |
US5427772A (en) * | 1992-10-23 | 1995-06-27 | Elizabeth Arden Co., Division Of Conopco, Inc. | Method for enhancing human skin elasticity by applying octanoyl lactylic acid thereto |
US5725841A (en) * | 1993-03-17 | 1998-03-10 | Minnesota Mining And Manufacturing Company | Aerosol formulation containing an ester-, amide-, or mercaptoester-derived dispersing aid |
US5569450A (en) * | 1993-03-17 | 1996-10-29 | Minnesota Mining And Manufacturing Company | Aerosol formulation containing an ester-, amide-, or mercaptoester-derived dispersing aid |
US6042811A (en) * | 1993-03-17 | 2000-03-28 | 3M Innovative Properties Company | Aerosol formulation containing a diol-diacid derived dispersing aid |
US5482645A (en) * | 1993-04-09 | 1996-01-09 | Purac Biochem B.V. | Non-ozone depleting cleaning composition for degreasing and defluxing purposes |
US5556630A (en) * | 1995-01-03 | 1996-09-17 | Chesebrough-Pond's Usc Co., Division Of Conopco, Inc. | Cold creams containing acyl lactylates |
EP0720846A3 (en) * | 1995-01-03 | 1997-03-19 | Unilever Plc | Cold creams containing acyl lactylates |
EP0878188A2 (en) * | 1997-05-16 | 1998-11-18 | Henkel Kommanditgesellschaft auf Aktien | Use of lactic acid esters as oil-replenishing agents in skin and hair cosmetics |
DE19720672A1 (en) * | 1997-05-16 | 1998-11-19 | Henkel Kgaa | Use of lactic acid esters as refatting agents |
EP0878188A3 (en) * | 1997-05-16 | 2001-01-24 | Cognis Deutschland GmbH | Use of lactic acid esters as oil-replenishing agents in skin and hair cosmetics |
EP0955037A1 (en) * | 1998-03-30 | 1999-11-10 | Cognis Deutschland GmbH | Skin care compositions |
EP0971018A2 (en) * | 1998-07-10 | 2000-01-12 | CONDEA AUGUSTA S.p.A. | Detergent composition with a softening and protective action of natural fibres |
EP0971018A3 (en) * | 1998-07-10 | 2002-01-16 | SASOL ITALY S.p.A. | Detergent composition with a softening and protective action of natural fibres |
EP1287811A2 (en) * | 2001-08-30 | 2003-03-05 | Beiersdorf Aktiengesellschaft | Lactic acid esters in hair conditioner compositions |
EP1287811A3 (en) * | 2001-08-30 | 2003-11-26 | Beiersdorf Aktiengesellschaft | Lactic acid esters in hair conditioner compositions |
DE10156574A1 (en) * | 2001-11-21 | 2003-06-05 | Braun Gmbh | Shaving fluid for a razor |
US20040247558A1 (en) * | 2001-11-21 | 2004-12-09 | Petra Allef | Shaving liquid for a shaver |
WO2012046046A1 (en) | 2010-10-06 | 2012-04-12 | Bio Skincare Limited | Composition for skin treatment |
WO2012046047A1 (en) | 2010-10-06 | 2012-04-12 | Bio Skincare Limited | Composition for use in the treatment of acne |
EP2810640A1 (en) | 2013-06-03 | 2014-12-10 | Basf Se | Esters of oligohydroxy carboxylic acids and their use |
US10125215B2 (en) | 2013-06-03 | 2018-11-13 | Basf Se | Esters of oligo-hydroxycarboxylic acids and use thereof |
US20170165395A1 (en) * | 2015-12-15 | 2017-06-15 | The Procter & Gamble Company | Systems for managing intimate skin |
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