To provide a parakeratosis inhibitor, pore reducing agent and skin roughness preventing/ameliorating agent that exhibit capabilities of parakeratosis inhibition, pore reduction, skin roughness prevention/amelioration, etc., and further provide a skin preparation for external use having these capabilities. There are provide a parakeratosis inhibitor and a pore reducing agent each comprising at least one compound selected from the group consisting of a glycine derivative, an aminodicarboxylic acid derivative, an acylaminodicarboxylic acid derivative, a pyrrolidinecarboxylic acid derivative, a piperidinecarboxylic acid derivative, a hexamethyleneiminecarboxylic acid, a beta-alanine derivative and salts of these derivatives. Further, there are provided a parakeratosis inhibitor, a pore reducing agent and a skin roughness preventing/ameliorating agent each comprising at least one compound selected from the group consisting of specified glycine derivatives and salts thereof and specified aminosulfuric acid derivatives and salts thereof. Still further, there are provided skin preparations for external use comprising these compounds.
提供一种具有抑制角化病、缩小毛孔、防止/改善皮肤粗糙等功能的角化病
抑制剂、毛孔缩小剂和皮肤粗糙防止/改善剂,并进一步提供一种具有这些功能的外用皮肤制剂。本发明提供了一种角化
抑制剂和一种毛孔缩小剂,它们都包含至少一种选自以下组别的化合物:甘
氨酸衍
生物、
氨基二
羧酸衍
生物、酰
氨基二
羧酸衍
生物、
吡咯烷
羧酸衍
生物、
哌啶羧酸衍
生物、六亚甲基亚
氨基
羧酸、
β-丙氨酸衍
生物和这些衍
生物的盐。此外,还提供了一种角化
抑制剂、一种毛孔缩小剂和一种防止/改善皮肤粗糙剂,每一种都包含至少一种选自特定甘
氨酸衍
生物及其盐类和特定
氨基
硫酸衍
生物及其盐类的化合物。此外,还提供了包含这些化合物的外用皮肤制剂。