| 摘要 |
<p>A method for reducing colour loss from hair treated with an oxidative composition, such as an oxidative hair dye, the method comprising the step of contacting the hair, either prior to or after treatment of the hair with the oxidative composition, with a colour protective composition comprising an organic amino compound selected from: (i) basic amino acids; (ii) urea; (iii) guanidine; (iv) salts and/or derivatives of any of (i) to (iii); (v) mixtures of any of (i) to (iv).</p> |
