| 摘要 |
PROBLEM TO BE SOLVED: To obtain oil-in-water emulsion compositions that contain nicotinic acid amide, can improve the skin suppleness and elasticity, have excellent feeling of use without an irritating feel and stickiness.SOLUTION: The invention provides an oil-in-water emulsion composition containing the following component (A)-(D): (A) nicotinic acid amide; (B) a long-chain acyl sulfonate anionic surfactant represented by following formula (I), RCO-a-(CH) nSOM(I) [in the formula (I), RCO- represents a saturated or unsaturated fatty acid residue (acyl group) with an average number of carbon atoms of 10-22, a represents -O- or -NR- (but Rrepresents a hydrogen atom, or an alkyl group of 1-3 carbon atoms), Mrepresents a hydrogen atom, alkaline metals, alkaline earth metals, ammonium, or organic amines, and n represents an integer of 1-3 ]; (C) a sterol derivative; and (D) water.SELECTED DRAWING: None |
