PROBLEM TO BE SOLVED: To provide an external preparation for skin comprising acetylhyaluronic acid or a salt thereof and hyaluronic acid having &le250,000 average molecular weight or a salt thereof and suppressing discoloration.SOLUTION: The external preparation for skin comprises the acetylhyaluronic acid or the salt thereof and the hyaluronic acid having &le250,000 average molecular weight or the salt thereof. The discoloration of the external preparation for skin can be suppressed by including the acetylhyaluronic acid or the salt thereof and the hyaluronic acid having &le250,000 average molecular weight or the salt thereof. Thereby, actions of the acetylhyaluronic acid or the salt thereof can effectively be exhibited according to the amount formulated thereof.COPYRIGHT: (C)2007,JPO&INPIT【課題】製剤の着色を抑制した皮膚外用剤の提供。【解決手段】アセチルヒアルロン酸またはその塩、平均分子量25万以下のヒアルロン酸またはその塩を含有することによって、皮膚外用剤の着色を抑制することができる。このため、アセチルヒアルロン酸またはその塩の作用をその配合量に応じて有効に発揮することができる。【選択図】なし
