Patent 7144582 was granted and assigned to L'Oréal on December, 2006 by the United States Patent and Trademark Office.
A structured cosmetic composition and process of structuring a cosmetic composition comprising at least one amphiphilic compound, at least one dyestuff, and at least one continuous liquid fatty phase structured with a sufficient amount of at least one structuring polymer, wherein the structured composition is in the form of a non-migrating and wax-free solid and wherein the at least continuous liquid fatty phase, the at least one structuring polymer, the at least one amphiphilic compound, and the at least one dyestuff form a physiologically acceptable medium.