| 摘要 |
PROBLEM TO BE SOLVED: To provide a hair growing agent containing a phosphatidic acid as an active ingredient. SOLUTION: This hair growing agent contains the phosphatidic acid expressed by formula (I) as the active ingredient. (R<1> is an alkyl group, an alkenyl group, an alkanoyl group or an alkenoyl group, in the case where R<1> is an alkyl group or an alkenyl group then R<2> means an alkyl group, an alkenyl group, an alkanoyl group or an alkenoyl group, in the case where R<1> is an alkanoyl group or an alkenoyl group then R<2> is an alkyl group or an alkenyl group).
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