| abstract |
The present invention relates to novel compounds having the formula: wherein Y is O, NR1 or S; R denotes a C1-C6 hydrocarbon divalent group, n = 0 to 200, and m = 0 to 200, with the proviso that m + n # 0; and R 'denotes a hydrogen atom or a C1-C6 hydrocarbon radical. The invention also relates to cosmetic compositions, in particular hair compositions, comprising them, as well as a cosmetic treatment method, in particular a hair treatment method, employing them. |