Patent ID: 6436920
Filing Date: 2002-08-20
Classification: A61K,A61P,A61Q

Abstract:
A cosmetic skin care composition comprisingi) a wrinkling modifier comprising a guanidine derivative represented by the following general formula wherein is a heterocyclic group selected from azetidine, pyrrolidine, piperidine, piperazine or morpholine, and R1 and R2 are the same or different from each other and independently a hydrogen atom, or an alkyl, hydroxyl, hydroxyalkyl, carboxyl, carboxyalkyl or amidino group, or a salt thereof; andii) a synthetic sphingosine derivative represented by the following general formula (2): wherein R3 is a linear, branched or cyclic, saturated or unsaturated hydrocarbon group having 4 to 40 carbon atoms, R4, R5, R6, R7 and R8 are independently a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, which may be substituted by at least one hydroxyl group, and X and Y are independently a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, which may contain at least one oxygen atom in its structure.