Patent ID: 8668746
Filing Date: 2014-03-11
Classification: A61K,A61Q

Abstract:
1. A two part hair dyeing composition comprising Parts A and B which are mixed immediately before application onto hair wherein Part A comprises at least one hair dye and at least one amino acid surfactant and Part B is an aqueous composition and comprising at least one oxidizing agent and at least one cationic or cationizable surfactant, wherein parts A and/or B comprises additionally at least one oil, wherein at least one amino acid surfactant on Part A is an anionic surfactant and selected from the surfactants according to general structure wherein R 1 is a saturated or unsaturated, straight or branched alkyl chain with 7 to 17 C atoms, R 2 is H or a methyl, R 3 is H, COO − M + , CH 2 COO − M or COOH, n is 0 to 2, X is COO − or SO 3 − and M is independently from each other H, sodium, potassium or ammonia.