Organopolysiloxane gels for use in cosmetics

Details Organopolysiloxane gels for use in cosmetics Organopolysiloxane gels for use in cosmetics

C - Chemistry, Metallurgy

08

L

C08L 83/07 (2006.01) A61K 8/893 (2006.01) C08L 83/04 (2006.01)

Patent

CA 2340498

Organopolysiloxane gels containing gel-bound hydrophillic groups are prepared by reacting a hydrosilylatable unsaturated organopolysiloxane resin, a crosslinker bearing Si-H bound hydrogen, and a hydrosilylatable unsaturated hydrophile, in the presence of an effective amount of a hydrosilylation catalyst, at least a portion of the reaction taking place in the presence of at least 60 weight percent of an oleaginous composition containing at least 50 weight percent low viscosity organopolysiloxane. When sheared, the crosslinked organosiloxane compositions form a stable, preferably incompatible gel which may be used in turn to form a stable emulsion with large amounts of ordinarily incompatible hydrophillic liquids. The emulsions thus formed are suitable for use in a wide variety of cosmetic products.

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