| abstract |
(57) [Summary] [Objective] To provide a powdery bleaching composition for hair, which is fine, free-flowing, uniform, dust-free and completely dispersible in hydrogen peroxide, and having improved cosmetic properties. To do. The composition of the present invention is based on a peroxide derivative as an oxidizing agent, and further contains at least one of a block and / or random linear copolymer of polyoxyethylene / polyoxypropylene type, The combination is characterized in that both are anhydrous and at room temperature one is liquid and the other is water soluble. |