| 摘要 |
Present invention relates to a composition and a process for permanent shaping of human hair used both for the permanent waving of human hair with an excellent waving effect as well as for the straightening of curled hair. Present invention is a composition for permanently shaping hair comprising at least one reducing agent or at least one oxidizing agent and a cross linked copolymer of vinylpyrrolidone, vinylimidazol, 3-methyl-1-vinylimidazolium chloride and methacrylic acid. Present invention is at the same time a process for permanent shaping hair wherein hair is optionally washed or wetted or shampooed and a composition comprising at least one reducing agent is applied and rinsed off from hair after a processing time of 1 to 30 min and at a temperature of 20 to 45 °C and a composition comprising at least one oxidizing agent is applied and processed for 1 to 20 min at a temperature range of 20 to 45 °C and rinsed off from hair wherein at least one of the two compositions comprises a cross linked copolymer of vinylpyrrolidone, vinylimidazol, 3-methyl-1-vinylimidazolium chloride and methacrylic acid. |
