Wiping products, such as facial tissues, contain a temperature change composition that can provide a cooling sensation when contacted with the skin of a user. The temperature change composition, for instance, can contain one or more phase change agents that undergo a phase change at slightly elevated...http://www.google.com.au/patents/US20090297586?utm_source=gb-gplus-sharePatent US20090297586 - Tissue Products Having A Cooling Sensation When Contacted With Skin
