| abstract |
a method, a kit and a first composition for hair treatment are provided. the method for treating hair comprises applying to the hair a first composition comprising a cosmetically acceptable carrier, one or more of at least bi-functional carboxylic acids, or cosmetically acceptable salts thereof, or mixtures thereof, and applying to the hair a second composition comprising a cosmetically acceptable vehicle, one or more bifunctional carboxylic acids, or cosmetically acceptable salts thereof, or mixtures thereof, wherein the first composition has a pH of 7 to 13 and the second composition has a pH of 3 to 7. |