MELANGE AZETROPE DE THIOGLYCOLATE D'HYDROXY-2 PROPYLE ET DE THIOGLYCOLATE D'HYDROXY-2 METHYL-1 ETHYLE, SON PROCEDE D'OBTENTION ET SON UTILISATION DANS UN PROCEDE DE DEFORMATION PERMANENTE DES CHEVEUX.

摘要

Azeotropic blend of thioglycolic acid 1,2-propanediol esters consisting of two thirds propyl 2-hydroxy thioglycolate of the formula (I): HS-CH2-COO-CH2-CHOH-CH3, and one third ethyl 1-methyl 2-hydroxy thioglycolate of the formula (II): HS-CH2-COO-CH(CH3)-CH2OH. Cosmetic use for achieving a permanent change in hair waviness.