| abstract |
Hair cosmetics containing On acids, which are derived from aldohexoses or disaccharides with an unsealed aldehyde group and / or their y- or 8-lactones, improve the structure and resistance of the hair to cosmetic treatment with reducing and oxidizing agents, such as dyeing, bleaching and Perms. The hair cosmetic compositions contain 0.5 to 10% by weight, preferably 1 to 5% by weight, of the on acids. |