CA1283363C - Antiperspirant aerosol compositions - Google Patents

Antiperspirant aerosol compositions

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Publication number
CA1283363C
CA1283363C CA000510303A CA510303A CA1283363C CA 1283363 C CA1283363 C CA 1283363C CA 000510303 A CA000510303 A CA 000510303A CA 510303 A CA510303 A CA 510303A CA 1283363 C CA1283363 C CA 1283363C
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Prior art keywords
antiperspirant
weight
aerosol
aerosol composition
compositions
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Expired - Fee Related
Application number
CA000510303A
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French (fr)
Inventor
Scott Edward Smith
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Procter and Gamble Co
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Procter and Gamble Co
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Publication of CA1283363C publication Critical patent/CA1283363C/en
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61QSPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
    • A61Q15/00Anti-perspirants or body deodorants
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89Polysiloxanes
    • A61K8/891Polysiloxanes saturated, e.g. dimethicone, phenyl trimethicone, C24-C28 methicone or stearyl dimethicone
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K8/00Cosmetics or similar toiletry preparations
    • A61K8/18Cosmetics or similar toiletry preparations characterised by the composition
    • A61K8/72Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
    • A61K8/84Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions otherwise than those involving only carbon-carbon unsaturated bonds
    • A61K8/89Polysiloxanes
    • A61K8/896Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate
    • A61K8/898Polysiloxanes containing atoms other than silicon, carbon, oxygen and hydrogen, e.g. dimethicone copolyol phosphate containing nitrogen, e.g. amodimethicone, trimethyl silyl amodimethicone or dimethicone propyl PG-betaine

Abstract

ABSTRACT

ANTIPERSPIRANT AEROSOL COMPOSITIONS

Antiperspirant aerosol compositions comprising from about 1%
to about 40% of a particulate antiperspirant material, from about 0.005% to about 6.096 of a functionalized siloxane and from about 60% to about 95% of an aerosol propellant. Preferably the functionalized siloxane is an amino-functional silicone. Also preferably, the compositions also contain a silicone gum material and a volatile silicone oil.

Description

~833~

ANTIPERSPIRANT AEROSOL COMPOSlTiONS
Scott Edward Smith BACKGROUND OF THE INYENTION
The present invention relates to antiperspirant compositions for administration as an aerosol to human skin. More particular-Iy, it relates to such aerosol compositions with improved cosmetic characteristics.
Compositions designed to stop or reduce the flow of human perspiration are well known in the chemical and cosmetic litera-ture. Such antiperspirant compositions may be applied to the skin by a variety of methods. For example, S. Plechner, "Antiperspirants and Deodorants" 2 Cosmetics, Science and 15 Technology, 373-416 (M. Balsam and E . Sagarin ed . 1972 ), describes antiperspirant compositions in spray, roll-on, cream and stick forms. Depending upon such factors as the method of application, the intended use, and the desired rheology, such compositions may contain a variety of different vehicle materials in 20 addition to an astringent antiperspirant active.
For a variety of reasons, one method of application that has :;
gained wide consumer acceptance i s the aerosol form. Such compositions typically are anhydrous systems comprising an antiperspirant salt dispersed in a liquid vehicle together wi~h a 25 liquified volatile propellant in a pressurized aerosol container.
The aerosol spray is created, then, by the rapid boiling of the propellant upon dispensing from an atomizing valve. Such aerosol containers are described, ~or example, in U . S . Patent 3, 083, 917 and U.S. Patent 3,083,918, Abpianalp, et al., issued April 2, 30 1963, and U.S. Patent 3,544,258, Presant, et al., issued December 1, 1970.
Antiperspirant aerosol compositions present, however, sever-al cosmetic problems. For example, such compositions may create a cooling sensation when applied to the skin, or they may be 35 very dusty or powdery once applied. Such compositions may also create excessive dustiness or mistiness during application. Also, such composi~ions may require excessive shaking or agitation ~L2 !3336~

prior to, and during, use in order to maintain adequate suspension or dispersion of the active materiai in the product.
Failure to maintain such active or product suspension may lead (for example~ to dispensing of propeliant or other vehicle 5 materials with little or no antiperspirant active. This problem may be particularly significant with respect by compositions containing high molecular weight silicone gums, as disclosed in U.S. Patent 4,152,416, Spitzer, et al., issued May 1, 1979.
I t has now been discovered that aerosol antiperspirant 10 compositions containing certain functionalized siloxanes have improved applicatlon, cosmetic and performance characteristics than compositions known in the art. For example, ths aerosol antiperspirants of this invention have improved adherence to the skin, and improved product suspension and redispersibility (i.e., 15 maintaining more extensive suspension or dispersion of active materiais in the product, with lower rates of settling ), as well as - other improved cosmetic characteristics.
-~ ~ SUMMARY OF INVENTION
The present invention provides aerosol antiperspirant compo-
2 0 ~ sitions ~comprising: ~
(a) from about 196 to about 40~ of a particulate antiper-` spirant materiai;
(b) from about 0.005~ to about 6.0% of a functionalized siloxane; and 25 ~ (c) from: at least 6û% and preferably 60-95% of an : ~ aerosol propelIant.
Preferably, thè functiona!ized siloxane is an amino-functional siliconé. Also preferably these compositions also contain from about 0.0596 to about 5.0~6 of a silicone gum material.
DESCRIPTION OF THE INVENTION
The aerosol ~ antiperspirant compositions of the present invention contain three essential ingredients: particulate antiperspirant materials, a functionalized siloxane, and an aerosol propellant. These compositions (herein "antiperspirant aerosols" ) encompass any such composition intended to apply antiperspirant material to human skin by means of a suspension of fine ``"- 1283~

particulates or droplets in a propellant gas. Thus, these compo-sitions are, in general, dispensed from a conventional aerosol container .
Specifically, the compositions of the present invention comprise:
(a) from about 1% to about 40% of a particulate antiper-spirant material;
(b~ from about 0.005% to about 6.0% of a functionalized siloxane: and (c) from about 60~ to about 95~ of an aerosol propellant.
(All percentages herein are by weight of total composition. ) Preferably the antiperspirant materials are present at a level of from about 3% to about 24%, more preferably from about 5% to about 12~. Also, preferably, the functionalized siloxane is present at a level of from about 0. 005% to about 4. 096, more preferably from about 0. 005% to about 2 . 0%, and more preferably from about 0.005% to about 0.1~. The compositions of the present invention may, in addition, contain certain optional components which may vary the efficacy and/or the physical characteristics of ~1 20 the composition. The essential and optional ingredients used in ` ~ ~ the present invention must be "cosmetically acceptable", i.e., safe for human use and aesthetically acceptable at the levels at which such materials are used in the present compositions, at a reasonable risk/~enefit ratio.
Particu!a e_Antiperspirant Mat_rials The particulate antiperspirant materials of this invention i comprise any compound or composition having antiperspirantactivity. Astringent metallic salts are - preferred antiperspirant materials for use herein, particularly including the inorganic and organic salts of aluminum, zirconium and zinc, and mixtures thereof. Particularly preferred are the aluminum and zirconium salts such as aluminum halides, aluminum hydroxide halides, zirconyl oxide halides, zirconyl hydroxy halides, and mixtures thereof .
Preferred aluminum salts include those of the formula Al2 (OH )aClb XH2 ~2~33;~63 wherein a is from about 2 to about 5; a+b = 6; x is from about 1 to about 6; and wherein a, b, and x may have non-integer values. Particularly preferred are aluminum chlorhydroxides referred to as "5/6 basic chlorhydroxide", wherein a = 5, and 5 "2/3 basic chlorhydroxide," wherein a = 4. Processes for prepar-ing aluminum salts are disclosed in the following documents, U . S . Patent 3, 887, 692, Giiman, issued June 3, 1975; U.S. Patent 3,904,741, Jones et al., issued September 9, 1975; U.S. Patent 4,147,766, Kozischek, issued April 3, 1979; U.S. Patent 4,359,456, Gosling, et al., issued November 16, 1982; and British Patent Specification 2,048,229, Fitzgerald, et al., published December 10, 1980.
Mixtures of aluminum salts are described in British Patent Spe~ification 1,347,95~, Shin, et al.~ published February 2~, 1974 1 5 ;
Zirconium sa!ts are also preferred for use in antiperspirant sticks 6f the present invention. Such salts are of the general formula ZroloH)2-acla xH
wherein a is from about 1 . 5 to about 1 . 87: x is from about 1 to , about 7; and wherein a and x may have non-integer values.
These zirconium salts are ~discloseci in Belgium Patent 825,146, ` ~ ~chmitz, issued ~ August '1, 1975.
Part5cularly preferred zirconium salts are those complexe-s-also containing aluminum and glycine, commonly known as "ZAG complexes". Such ZAG complexes contain aluminum I ~ chlorhydroxide and zirconyl hydroxychloride of the formulae detailed above. These compounds in ZAG complexes are disclosed in the following patent documents, U.S. Patent 3,679,068, Lued~ers, et al., issued ` February 12, 1974; U.S. Patent 4,120,948, Shelton, issued October 17, 1378; and U.K. ~ Patent Application 2,144,992, Callaghan, et al., published March 20, 1985.
Functiona l ized Si loxane:
, The aerosol antiperspirants of the present invention contain one or more derivatized polydlmethyl siloxanes, herein referred to ,~, ,~

.Z~333~3 as "functionalized siloxanes", wherein said siloxanes contain electronegative functional groups. Functionalized siloxanes, among those useful herein, include those of the following formula:

5CH3 ~H3 l CH j CH3 X - R - SiO --- SiO ____ SiO ---- Si - R - Xa CH3 _CH3 b R ' CH3 X c 10wherein a is 0 or 1, b is from about 50 to about 2000, and c is from about 0 to about 300; X is Cl, F, -COOH, or -i~l(R3)2; R is CH3 (if a = 0) or R1 (If a = 1~; R1 is straight or branched alkyt containing from 1 to 10 carbon atoms; R2 is H or R1; R3 is R2 or R1N(R2)2; and wherein a + c> 0 and the ratio of (a + c1/(b + c) is from about 0.01 to about 0.30. It is understood that, in the above formula, the substituted "c" siloxane units may be inter-spersed with the unsubstituted "b" siloxane units. In preferred functionalized siloxanes of the above formula, b is from about 200 to about 1200, c i~ from about 2 to about 200, and the ratio of : 20 (a + c)/(b + c) is from about 0.01 to about 0.15. Particularly m preferred functionalized siloxanes are diamine substituted, wherein X is N R2 ~ R1 N ( R2 ) ~ ) .
Molecular weights of pre~erred functionalized siloxanes useful herein, as determined by gel permeation chromatography/low angle laser light scattering ~GPC/LALLS), are from about 2,000 to :about 150,000, preferably from about 20,000 to about 150,000, : more preferably ~ from about 50,000 to about 150,000. For preferred amino-functional silicones, the ratio ~a + c~/(b + c) of : the above forn uia, mani~ested as milliequivalents of amine per gram (meq/g) of silicone polymer, preferably is from about 0.01 :~ to about 1.5 meq/g, more preferably from about 0.01 to about 0.7~ meq/g.
: ~ Among the amino-functional silicones useful herein are the following commercially-available materials: Q2-8075 and X2-8107, manufactured by Dow Corning Corporation; Y-7717 and Y-12035, ~33363 manufactured by Union Carbide Corporation; 756, 784, and 801, manufactured by SWS Silicones Corporation; GE 176-10977 and GE
179-10979, manufactured by General Electric Compan.y; and 2181 manufactured by Petrarch Systems, Inc . Dow Corning Y-12035, GE 176-10977, and SWS 801 are particularly preferred amino~
functional silicone materials useful herein. Among the other commercially-available functionalized (non-aminol siloxanes useful herein are PS402 carboxy-substituted siloxane and PS183 trifiuoro-substituted siloxane (manufactured by Petrarch Systems, Inc.).
Aeroso! Propellant: `
The present composition contains one or more volatile mate-rials, herein "aerosol propellants", which in a gaseous state, carry the other components of the present invention in particulate or droplet form . The aerosol propellants useful in the present invention typically have a boiling point within the range of from about -45C to about 5C. The aerosol propellants are liquified when packaged in conventional aerosol containers under pressure.
The rapid boiling of the aerosol propellant upon leaving the aerosol container aids in the atomization of the other components of the present invention.
Aerosol propellants useful in the present invention include those well known in the art. Such aerosol propellants include the chemically-inert hydrocarbons such as propane, n-butane, isobutane and cyclopropane, and mixtures thereof, as well as halogenated hydrocarbons such as dichlorodifluoromethane (propellant 12~ 1,1-dichloro-1,1,2,2-tetrafluoroethane (propellant 114~, 1-chloro-1,1-difluoro-2,2-trifluoroethane (propellant 115~, 1 -ch loro-1,1 -difluoroethylene ( propel lant 147 B ), 1,1 -d if luoroethane (propellant 152A), and monochlorodifluoromethane, and mixtures - thereof. Isobutane, used singly or admixed with other hydro-carbons, is preferred for use in the present aerosol antiper-spi rants .
Optional Components:
The compositions of the present invention may also contain ; optional components which modify the physical characteristics of the composition or serve as "active" components when deposited on the sktn In additlon to the particulate antiperspirant material.
Addltional active components include bacteriostats and fungist~ts.
Non-active components useful herein may include, f,or example, bulking agents, solvents, emollients, colorants, and perfumes.
5 Perfumes are typicaily incorporated at levels of from about 0.001%
to about 0 . 5% . Optional components useful herein are described in the following patent documents;
Brltish Patent Application 2,072,503, Geary, published October 7, 1981; European Patent 28,853, Beckmeyer, et al., issued July 11, 1984 and U.S. Patent 4,152,416, Spitzer, et al., issued fvlay 1, 1979. It should be noted that certain functionalized siloxanes of this invention, when used at the higher levels disclosed herein, may pr~duce undesirable effects on the fragrance of certain optional perfume materials. Such 15 interaction could necessitate use of lower leveis of functionalized siloxane and/or use of alternatiYe perfume materials.
A particularly preferred optional material for ~se in the present c~mpositions is a silicone gum. As referred to herein, silicone gum materials useful in the present compositions are 20 those non-functionalized siloxanes having a viscosity of from ~`~ about 500,000 to about 100,000~,000 centistokes at 25C. These materials are incorporated in the present compositions at a level of from about 0.05% to about 5.09~, preferably from about 0.10% to about 2.0~. Preferred silicone gums include linear and branched 25 polydimethyl siloxanes, of the following general formula:
)3 SiO--[-- Si (t:~3)2 ~ ln Si ( 3 3 wherein n is from about 2, 000 to about 15, 000, preferably from 30 about 2,000 to about 7,000. The silicone gums useful herein may - also be substituted with non-electronegative substituents.
Silicone gums among those useful herein are available from a variety of commercial sources, including X2-1346 and Dow Corning 200 Fluid (manufactured by Dow Corning Corporation) PS240 35 (rnanufactured by Petrarch Systems, Inc. 1, and SE76, SE30 and SE32 Silicone Gums (manufacturecl by General Electric Companyl.

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fg~r : ' '`
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lZ~33363 The present compositions also preferably contain an addition-al solvent material, particularly when the silicone gums described above are also used. Suitable solvents include pentane, hexane, trichloro trifluoroethylene, trichloro fluoromethane, dichloro 5 fluoromethane, me~hylene chloride, and volatile and non-vola~ile non-functionalized silicone oils.
Volatile silicone oils are preferred solvent materials useful in j~
the present aerosol compositions at levels of from about 0 . 05~ to about 15.0%, preferably from abo~t 1.0% to about 6.0%. (As used herein, "volatile" refers to those materials which have a measurable vapor pressure at ambient conditions. ) Such volatile silicone oils may be cyclic or linear. A description of various volatile silicone oils is found in Todd, et al., "Volatile Silicone Fluids for Cosmetics", 91 Cosmetics and Toiletries, 27-32 (1976), Linear volatile silicones generally have viscosities of less than about 5 oentistokes at 25C, whereas the cyclic silicones have viscosities of less than about 10 centistokes. Examples of volatile silicone oils useful in the present invention include: Dow Corning 344 and Dow Corning 345 (sold by Dow Corning Corporation); 7207 and 7158 (sold by General Electric Company); and SWS-03314 (sold by SWS Silicones Corporation ) .
The present compositions may also contain a bulking or suspending agent, at levels of from about 0.196 to about 7%, preferably fron about ~ . 496 to about 3 . 5% . ( However, preferred compositions of the present invention do not require the presence of a bulking or suspending agent. ) Such bulking/suspending agents include talc, colloidal silicas,~ clays and mixtures thereof.
Clays and colloidal silicas are particularly preferred. Ciay bulking/ suspending agents include montmorillonite clays and i~ydrophobically treated montmorillonites, e.g., bentonites, hectorites and colloidal magnesium aluminum silicates. These materials are available from a variety of sources, including Laponite hectorite (sold by Laponite Industries, Ltd. ~ and Veegum magnesium aluminum silicate (sold by R. T. Vanderbilt Co. ) O A preferred clay bulking/suspending agent is .~

~.2~33363 g hydrophobically-treated monemorillonite~ such as the Bentone bentonites ~sold by NL Industries, Inc~ 1. Colloidal siiicas are also readily available, such as Cab-O-Sil pyrogenic cQlloidal silica (sold by Cabot Corporation).
Methods The present invention encompasses methods of preparing aerosol antiperspirant compositions having improved application and cosmetic characteristics. These compositions can be made by a variety of well established methods known in the art.
10 Preferred methods of making compositions of this invention which include silicone gum materials, involve mixing the silicone gum materials with a solvent, such as a volatile silicone oil, prior to mixture with the other components of the invention.
The foltowing non-limiting example,s illustrate the composi-15 tions, processes and uses of the present ihvention.
; EXAMPLE I
An aerosol antiperspirant composition of the present invention is made comprising:
Component 96 by weight 20 Reheis Macrospherical _ 951 12 . 00 SE76 Siiicone gum2 0.58 SWS 801~ 1.00 cyclomethicone ( C)-5 ) 4 3 . 40 propeilant A-465 83.02 1: 5/6 aluminum chlorhydrate antiperspirant active, sold by Reheis Chemical Company 2: high molecular weight silicone gum, with a viscosity of approximately 15 x 1 o6 centipoise, sold by General Electric 30 Company, purchased as a pre-mix of 15% gum and 85% cyclo-methicone
3: diamino-functional silicone, of molecular weight of approxi-mately 76,000 (as ~etermined by GPCILALLS1, sold by SWS
Silicones, Inc 35 4: including cyclomethicone contained in silicone gum premix;
~ see note 2, above :~

.~

~ ~.Z833~3 -~ 5: mixture of 87~ isobutane and 13~ propane (by weight of total propeliant) An aerosol antiperspirant is made by putting ~he antiper-spirant active into an aerosol can. The silicone gum, amino-5 functional silicone, çyclomethicone and fragrance are premixed,and added to the can. The propellant is then added, under pressure, and the can sealed.
The aerosol antiperspirant, as formulated above, is applied to the underarm of a human subject, reducing the perspiration in 10 the applied area.
EXAMPLE l l An aerosol antiperspirant composition of the present invention is made comprising:
Component 96 by wei~ht aluminum chlorhydrate 9.000 silicone gum 0.440 SWS 801 amino-functional silicone 0. 750 cyclomethicone 2 . 655 ethylene brassylate 0 . 005 isobutane propellant 87.150 The silicone gum and the cyclomethicone are mixed. The antiper-spirant active is put in an aerosol can, and the amino-functional ~, silicone material and the silicone gumlcyclomethicone mixture then }~ 25 added. The propellant is added and the can sealed.
EXAMPLE l l l An antiperspirant composition of the present invention is made, comprising:
Component % by weight 30 ZAG active 10 . 00 - Petrarch 2181 4.90 propane propellant 85.10 zirconium-aluminum-glycine hydroxychloride complex antiper-35 spirant active .

~z~333~3 2: monoamino-functional silicone, of molecular weight of approxi-mately 134,000 (as determined by GPC/LALL5), sold by Petrarch Systems, I nc .
EXAMPLE IV
An antiperspiran~ composition of the present invention was made, comprising:
Component ~ by weight Westwood DM200 ACH 9 . 00 SE32 Silicone gum2 2.61 10 GE 176-109793 0.01 cyclomethicone ( D-5 ) 1 . 03 perfume 0 . 20 propellant A-46 87.15 :
15 1 5/6 aluminum chlorhydrate antiperspirant active, sold by Westwood Chemical Company ; : high molecular weight silicone gum, with a viscosity of approximately 4 . 5 x 106 centipoise, sold by Çeneral Electric Company 20 3: diamino-functional silicone, of molecular weight of approximately 19,000 (as deterrnined by GPC), sold by General Electric Company The silicone gum, cyclornethicone and amino-functional silicone were mixed. The antiperspirant active was put into an aerosol ; 25 container, and the silicone mix was then added after mixing with the~ fragrance. The propellant was then added, under pressure, and the can sealed.
The aerosol antiperspirant, as formulated above, is applied to the underarm area of a human subject, reducing perspiration 30 in the applied area.
EXAMPLE V
An antiperspirant composition of the present invention is made comprising:
, Component % by weight Westwood DM200 ACH 12 . 00 SE Silicone gum 1.89 .
GE 176-1 Og79 0 . 01 S cyclomethicone ~ D-5 ) 1 . 75 perfume 0. 20 propellant A-46 84.15 An antiperspirant aerosol, comprised as above, is made in a 0 manner similar to that described in Example IV.
EXAMPLE Vl An antiperspirant composition, according to the present invention, was made comprising:
Component ~ by wei~ht Reheis 501 ACH 9 . oo PS402 Carboxy-functional siloxane 0 . 44 propellant A-46 90.56 *: functionalized siloxane sold by Petrarch Systems, Inc.
20 An antiperspirant aerosol was made in a manner similar to that described in Example IV. An antiperspirant composition was also made comprised as above, but substituting PS183 fluoro-functional si!icone, sold by Petrarch Systems, Inc., with substantially-: similar results.

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Claims (14)

  1. Claims:
    l. An antiperspirant aerosol composition comprising:
    (a) from about 1% to about 40% by weight of a particulate antiperspirant material;
    (b) from about 0.005% to about 6.0% by weight of functionalized siloxane having the formula wherein a is 0 or 1, b is from about 50 to about 2000, and c is from about 0 to about 300; X is selected from the group consisting of Cl, F, -COOH, and -N(R3)2; R is CH3 (if a=0) or R1 (if a=1); R1 is straight or branched alkyl containing from 1 to 10 carbon atoms; R2 is selected from the group consisting of H and R1; R3 is selected from the group consisting of R2 and R1N(R2)2; and wherein a+c>0 and the ratio of (a+c)/
    (b+c) is from about 0.01 to about 0.3; and (c) at least 60% by weight of an aerosol propellant.
  2. 2. An antiperspirant aerosol composition, according to claim 1, wherein in said functionalized siloxane X is -N(R3)2.
  3. 3. An antiperspirant composition according to claim 2, wherein said amino-functional siloxane is diamine substituted.
  4. 4. An antiperspirant aerosol composition according to claim 3, wherein said amino-functional siloxane material has a molecular weight of from about 20,000 to about 150,000.
  5. 5. An antiperspirant aerosol composition, according to claim 4, wherein said amino-functional siloxane material is present at a level of from about 0.005% to about 2.0 by weight.
  6. 6. An antiperspirant aerosol composition, according to claim 1, wherein said particulate antiperspirant material is present at a level of from about 5% to about 12% by weight.
  7. 7. An antiperspirant aerosol composition, according to claim 1, additionally comprising from about 0.05% to about 5.0% by weight of a silicone gum material selected from nonfunctionalized siloxanes having a viscosity of from about 500,000 to about 100,000,000 centistokes at 25°C.
  8. 8. An antiperspirant aerosol composition, according to claim 7, wherein said silicone gum is present at a level of from about 0.1% to about 2.0% by weight.
  9. 9. An antiperspirant aerosol composition, according to claim 7, additionally comprising from about 0.05% to about 15.0% by weight of a volatile silicone oil.
  10. 10. An antiperspirant aerosol composition, consisting essentially of:
    (a) from about 1% to about 40% by weight of a particulate antiperspirant material;
    (b) from about 0.005% to about 6.0% by weight of a functionalized siloxane having the formula wherein a is 0 or 1, b is from about 50 to about 2000, and c is from about 0 to about 300; X is selected from the group consisting of Cl, F, -COOH, and -N(R3)2; R is CH3 (if a=0) or R (if a=1); R1 is straight or branched alkyl containing from 1 to 10 carbon atoms; R2 is selected from the group consisting of H and R1; R3 is selected from the group consisting of R2 and R1N(R2)2; and wherein a+c>0 and the ratio of (a+c)/(b+c) is from about 0.01 to about 0.3; and (c) from about 0.05% to about 5.0% by weight of a silicone gum material selected from nonfunctionalized siloxanes having a viscosity of from about 500,000 to about 100,000,000 centistokes at 25°C;
    (d) from about 0.05% to about 15.0% by weight of a volatile silicone oil; and (e) from about 60% to about 95% by weight of an aerosol propellant.
  11. 11. An antiperspirant composition, according to claim 10, wherein in said functionalized siloxane X is -N(R3)2.
  12. 12. An antiperspirant aerosol composition, according to claim 11, wherein said amino-functional siloxane material is diamine substituted.
  13. 13. An antiperspirant aerosol composition according to claim 10, wherein said amino-functional siloxane material has a molecular weight of from about 20,000 to about 150,000.
  14. 14. An antiperspirant aerosol composition, consisting essentially of:
    (a) from about 5% to about 12% by weight of a particulate antiperspirant material;
    (b) from about 0.005% to about 0.1% by weight of an amino-functional siloxane having the formula:
    wherein a is 0 or 1, b is from about 50 to about 2000, and c is from about 0 to about 300; X is -N(R3)2; R is ACH3 (if a=0) or R1 (if a=1); R1 is straight or branched alkyl containing from 1 to 10 carbon atoms; R2 is selected from the group consisting of H and R1; R3 is selected from the group consisting of R2 and R1N(R2)2; and wherein a+c>0 and the ratio of (a+c)/
    (b+c) is from about 0.01 to about 0.3; and (c) from about 0.1% to about 20% by weight of a silicone gum material selected from nonfunctionalized siloxanes having a viscosity of from about 500,000 to about 100,000,000 centistokes at 25°C; and (d) from about 0.05% to about 15% by weight of a volatile silicone oil;
    (e) from about 0.001% to about 0.5% by weight of a perfume; and (f) at least 60% by weight of an aerosol propellant.
CA000510303A 1985-05-30 1986-05-29 Antiperspirant aerosol compositions Expired - Fee Related CA1283363C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US73924885A 1985-05-30 1985-05-30
US739,248 1985-05-30
US06/826,409 US4806338A (en) 1985-05-30 1986-02-05 Antiperspirant aerosol compositions
US826,409 1986-02-05

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