| 摘要 |
<p>A method of removing colour from dyed hair, the method comprising applying to the hair a colour removal composition comprising a sulfur-containing nucleophile or a precursor thereof. The sulfur-containing nucleophile can be a salt of sulphoxylic acid, thiocyanate, thioglycolic acid, thiocarbamate, carbamoyl sulphinic acid and mixtures and/or salts thereof.</p> |
