Patent ID: 6447792
Filing Date: 2002-09-10
Classification: A61K,A61Q,Y10S

Abstract:
A cosmetic or dermatological composition in the form of a rigid gel, said composition comprising at least 20% by weight of at least one water-soluble or hydrophilic gelling agent relative to the total weight of said composition, and at least one additional cosmetic or dermatological ingredient, wherein said cosmetic or dermatological composition is obtained by mixing, blending, compressing, and extruding said at least one water-soluble or hydrophilic gelling agent and said at least one cosmetic or dermatological ingredient in the presence of water in a twin-screw extruder, and further wherein said composition has a compression strength of at least 50 grams at room temperature;wherein said at least one water-soluble or hydrophilic gelling agent is chosen from alga extracts, seed extracts, plant exudates, microorganism exudates, fruit extracts, gelling agents of animal origin, water-soluble gelling synthetic polymers, and silicone derivatives; and wherein said rigid gel is aqueous and has a matrix comprising an aqueous gelled network.