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Skin and Hair Care Patents
By: Bud Brewster, Cosmetics & Toiletries magazine
Posted: November 3, 2008
page 2 of 27,407,665
Unilever Home & Personal Care USA, division of Conopco, Inc.
Skin care cosmetic compositions and methods for microemulsification of sebum on contact
A combination of a nonionic tri-block poly-propylene-oxide, poly-ethylene-oxide alcohol ether surfactant coupled with block polymer poly(butadiene-b-ethylene oxide) is an excellent surfactant phase to microemulsify sebum on contact. A method of microemulsification of sebum on contact with these compositions contain these combinations will form microemulsions that can enhance deep pore cleansing of skin and delivery of skin benefit actives into the skin.
Church & Dwight Co., Inc.
Cosmetic Depilatory Composition
This cosmetic cold-wax depilatory composition comprises a hydrocarbon resin at 50–99% by weight and a flexibilizer or plasticizer at 0.5–10% by weight. Also provides are methods of applying the composition to a strip of material for removal of hair without the need for heating.
Aqueous cosmetic composition comprising salicyclic acid derivatives
The present invention relates to an aqueous composition for topical application comprising at least one (C8– C14)alkyl betaine and at least one salicylic acid acylated derivative, the molar ratio of the (C8– C14)alkyl betaine(s) to the salicylic acid derivative(s) being equal to or greater than 1. The composition can be used for peeling or cleaning the skin or also for treating greasy skin.