| 摘要 |
<p>According to the present invention there is provided a cosmetic composition comprising: a) a quaternary ammonium cationic conditioning agent of formula (I) [RC(O)OC2H4]nN+(R1)mX-, wherein each R in a compound is a C¿6?-C22, preferably with only minimal, or no, C6-C10, hydrocarbyl group, preferably having an Iodine Value (hereinafter also referred to as IV) of from about 70 to about 140 based upon the IV of the equivalent fatty acid, n is a number from 1 to three on the weight average in any mixture of compounds, each R?1¿ in a compound is a C¿1?-C3 alkyl or hydroxy alkyl group, the total of n and the number of R?1¿ groups that are hydroxyethyl grroups equaling 3, n+m equaling 4, and X is a conditioner compatible anion, preferably methyl sulfate, the conditioning agent preferably having: a) a Hunter L transmission of at least about 85; b) non-detectable levels at the conditions of use of odorous compounds selected from isopropyl acetate, 2,2'-ethylidenebis(oxy) bispropane, and/or short fatty acid esters or c) preferably both, wherein preferably the level of conditioning agent containing polyunsaturated alkylene groups being at least about 3 % by weight of the total conditioning agent present and wherein the conditioning agent comprises a mixture of monoester and diester; and b) an oil-soluble skin care component. According to a further aspect of the present invention there is provided a cosmetic method of treatment of the skin comprising applying to the skin a composition according to the present invention. The compositions of the invention provide good moisturisation benefits with low levels of stickness or tack.</p> |
