申请人:LORANT Raluca
公开号:US20090105353A1
公开(公告)日:2009-04-23
A cosmetic or dermatological compositions of oil-in-water emulsion type, including, in a physiologically acceptable medium, at least gemini surfactant of formula (I):
in which R
1
and R
3
denote, independently of one another, an alkyl radical containing from 1 to 25 carbon atoms; R
2
denotes a spacer consisting of a linear or branched alkylene chain containing from 1 to 12 carbon atoms; X and Y denote, independently of one another, a group —(C
2
H
4
O)
a
—(C
3
H
6
O)
b
Z; n ranges from 1 to 10, in combination with an effective amount of at least one semi-crystalline polymer which is solid at ambient temperature and which has a melting point below 70° C., said polymer having a number-average molecular mass greater than or equal to 2000, said emulsion having a proportion of fatty phase of greater than 10% by weight relative to the total weight of the composition and including more than 40% by weight of non-volatile oil(s) relative to the weight of the fatty phase.
一种油包水乳液型的化妆品或皮肤科学组合物,包括在生理上可接受的介质中,至少含有式(I)的双胞胜肽表面活性剂:
其中R1和R3分别独立地表示含有1至25个碳原子的烷基基团;R2表示由含有1至12个碳原子的线性或支链烷基链组成的间隔物;X和Y分别独立地表示一个基团—(C2H4O)a—(C3H6O)bZ;n的范围为1至10,结合有效量的至少一种半结晶聚合物,该聚合物在常温下为固体且熔点低于70°C,所述聚合物的数均分子质量大于或等于2000,所述乳液具有相对于组合物的总重量大于10%的脂肪相比例,并且相对于脂肪相的重量包含超过40%的非挥发性油。