| 摘要 |
<p>The invention relates to a method for the cosmetic treatment of keratinous substances, comprising the application, to the said keratinous substances, of a cosmetic composition comprising at least one compound of formula (I) and also its salts; its hydrates; its acyclic or cyclic (thio)acetals; its (thio)hemiacetals and its optical and geometrical isomers: in which formula (I) R represents a radical resulting from a mono-or polyalcohol, and n denotes an integer ranging from 1 to 100, the composition comprising neither a colouring agent nor a reducing agent.</p> |
