Patent ID: 9205038
Filing Date: 2015-12-08
Classification: A61K,A61Q

Abstract:
1. In a hair relaxer comprising an aqueous composition of active human hair straightening ingredients and excipients having a pH value of about 12 to about 14, the improvement that comprises a naturally grey or white human hair discoloration-inhibiting amount of an alpha-hydroxy-C 1 -C 6 sulfinate of Formula I dissolved or dispersed in said relaxer in addition to said active straightening ingredients and excipients, wherein R one of R R M is a proton or a cosmetically acceptable cation such as an ammonium ion, a monovalent metal ion or an equivalent of a divalent metal ion of the Groups Ia, IIa, IIb, IVa or VIIIb of the Periodic Table of the Elements.