Patent ID: 6703007
Filing Date: 2004-03-09
Classification: A61K,A61Q,D06M

Abstract:
A hair care composition comprising:(a) a protected nucleophilic compound having the formula Râ€”(Sâ€”Pr)m â€ƒwhere: (i) R is a functional group comprising a cosmetically beneficial active capable of being modified to contain at least one thiol ester linkage to Pr, a. said active being selected from the group consisting of UV-absorbing compounds, hair conditioning agents, hair repair agents, hair styling agents, hair dyes, coloring agents, brighteners, fluorescent dyes, cross-linkers, and mixtures thereof; b. said functional group comprising at least one nucleophilic â€”SH moiety prior to formation of the Sâ€”P bond between S and Pr, at least one halogen-containing electrophilic moiety prior to formation of the Câ€”S bond between R and S, or both; (ii) Pr is a phosphorus-linked protecting group according the following chemical structure: (iii) m is an integer between 1 and 3; and (b) a topically acceptable vehicle; wherein the composition is a topical composition for treating hair.