| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a melanin expression-enhancer excellent in effect of enhancing the melanin expression and an external agent excellent in white hair-preventing/improving effect, and skin-darkening effect by blending the same. <P>SOLUTION: This melanin expression enhancer contains a peonol derivative expressed by general formula (1) (wherein, R is selected from H or a saccharide, an acyl, an alkyl, an aralkyl, an alkenyl or an aryl) or a plant extract containing the peonol derivative. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
