| abstract |
A method for strengthening the hair, and a method for improving the compatibility of a hair shaping treatment with a different subsequent cosmetic treatment, said methods comprising a hair treatment step for a neutral pH composition comprising, in a cosmetically-medium acceptable, at least one 2-iminothiolane derivative of formula (1): or R1 to R8 independently represent either a hydrogen atom or a linear or branched C 1 -C 4 hydrocarbon chain, optionally having one or more unsaturations, optionally substituted with one or more groups selected from thiol, thioalkyl C 1 groups; -C 4 alkylthiol C 1 -C 4 alkyl, N, N-dialkylamine, C 2 -C 8 alkylcarbonylthiol C 2 -C 4 alkylcarbonylamino or N-C 2 -C 4, or an aryl group having 6 optionally substituted by one or more groups selected from halo, thiol or linear or branched C 1 -C 4 alkyl groups, R9 denotes a hydrogen atom or a linear or branched C 1 -C 4 hydrocarbon chain, n is 0 or 1; and / or at least one water-soluble salt of said derivatives of formula (1). |