COMPOSITION FOR EXTERNAL APPLICATION TO SKIN

摘要

The problem addressed by the present invention is to provide a composition for external application to the skin containing a salt-resistant polymer and an acidic polysaccharide. The composition does not cause balling up of a cosmetic on the skin when a cosmetic is applied on the composition after the composition is applied on the skin. The composition for external application to the skin contains (A) a salt-resistant polymer, (B) an acidic polysaccharide, and (C) an amphipathic compound represented by the general formula (1): Z—[O-{(EO)a(PO)b}-(AO)c—H]n (1) wherein n, a, b, and c each represent a specific number; and Z, EO, PO, and AO each represent a specific group.

主权项

1. A composition for external application to skin comprising:
(A) a salt-resistant polymer; (B) an acidic polysaccharide; and (C) an amphipathic compound represented by general formula (1) below:
Z—[O-{(EO)a(PO)b}(AO)c—H]n   (1) wherein: n is an integer of 1 to 10; Z is a hydrogen atom, or a group obtained by removing n number of hydroxy group(s) from a hydroxy compound of a carbon number of 1 to 30; EO is an ethylene oxide group; PO is a propylene oxide group; AO is an alkylene oxide group of a carbon number of 2 to 5; a, b, and c each denote an average addition molar number of respective alkylene oxide groups, and are independently 0 to 200; provided that not all of a, b, and c are 0 at the same time; when n is 2 or more, respective pluralities of a's, b's, c's, and AOs may be the same as or different from one another; and when n is 3, the carbon number of AO is 2, 3, or 5; and when Z is a hydrogen atom, n is 1; and wherein the respective alkylene oxide groups in { } may be added randomly or in blocks.