PROBLEM TO BE SOLVED: To provide a means for suppressing coalescence or association of emulsion particles or micelles in a skin care preparation for external use in an emulsion dosage form or a solubilization dosage form comprising a beautifying and whitening agent, an antiinflammatory agent or a dermal structure-improving agent.SOLUTION: A protein hydrolyzate acylated with a 10-30C acyl group is incorporated into the skin care preparation for external use in an emulsion dosage form or a solubilization dosage form comprising a beautifying and whitening agent, an antiinflammatory agent or a dermal structure-improving agent.COPYRIGHT: (C)2009,JPO&INPIT【課題】美白剤、抗炎症剤又は真皮構造改善剤を含有する、乳化剤形又は可溶化剤形の皮膚外用剤に於いて、エマルション粒子又はミセルの合一・会合を抑制する手段を提供する。【解決手段】美白剤、抗炎症剤又は真皮構造改善剤を含有する、乳化剤形又は可溶化剤形の皮膚外用剤に、炭素数10~30のアシル基でアシル化された蛋白加水分解物を含有させる。【選択図】なし
