Disclosed is an oil-in-water type emulsion skin cosmetic which can be spread on skin easily, is not sticky, has an excellent feeling as an active ingredient penetrates into skin, can enrich skin, can moisturize skin, and can exhibit a high skin improvement effect due to glycerin contained therein, when prepared in the form of a formulation containing glycerin at a high concentration or a formulation containing a combination of glycerin and an acrylamide-type thickening agent. The skin cosmetic is characterized by comprising (A) a D-amino acid or a derivative or salt thereof, (B) a homopolymer, a copolymer or a crosspolymer containing at least one component selected from 2-acrylamide-2-methylpropanesulfonic acid, acrylic acid and derivatives thereof as a constituent unit, (C) an ester oil with an IOB value of 0.2 to 0.6, and (D) glycerin.