PROBLEM TO BE SOLVED: To provide an external preparation for the skin which controls the production of a melanin pigment and exhibits an excellent beautifying effect.SOLUTION: The external preparation for the skin includes a compound expressed by formula (1) or (2) as an effective component and controls the production of a melanin pigment (in formulas (1) and (2), R1 is hydrogen, alkyl or glucopyranosyl in formula (1) R2 is hydrogen, hydroxyl, or alkoxy). The external application for the skin is utilized as cosmetics such as a milky lotion, cream, lotion, toner, pack, dispersion, wash, and makeup cosmetics and medications such as ointment, cream, and external preparation liquid and controls the production of melanin pigments and exhibits an excellent beautifying effect by applying or spraying it onto the skin.COPYRIGHT: (C)2013,JPO&INPIT【課題】メラニン色素の産生を抑制し、美白効果に優れる皮膚外用剤を提供する。【解決手段】皮膚外用剤は、式1又は式2で表される化合物を有効成分として含有し、メラニン色素の産生を抑制する。(式1及び式2中、R1は、水素、アルキル基又はグルコピラノシルであり、式1中、R2は水素、ヒドロキシ基又はアルコキシ基を表す。)皮膚外用剤は乳液、クリーム、ローション、化粧水、パック、分散液、洗浄料、メーキャップ化粧料等の化粧品や、軟膏剤、クリーム剤、外用液剤等の医薬品として利用され、肌に塗布或いは散布することにより、メラニン色素の産生を抑制し、美白効果を発揮する。【選択図】なし
