Patent ID: 6589542
Filing Date: 2003-07-08
Classification: A61K,A61Q

Abstract:
A cosmetic composition comprising:a) a safe and effective amount of a functionally alkylating bonding agent having the structure Râ€”X â€ƒwherein X represents a cosmetic benefit agent that may or may not be attached to a chemical linker; R is selected from the group consisting of COCH2Cl, COCH2Br, COCH2I, Cl, Br, I, N3, CH2OMâ€², CH2OTâ€², CH2OTâ€³, sulfonic esters; and wherein Mâ€² is b) a cosmetically acceptable carrier for the bonding agent wherein the composition is administered topically to a mammalian proteinaceous substrate and wherein the bonding agent reacts with a protein contained in the substrate such that the bonding agent is covalently attached to the substrate.