| 摘要 |
PURPOSE:To obtain a hair nourishing agent containing a specific gamma, delta-lactone derivative or gamma, delta-lactam derivative. CONSTITUTION:A hair nourishing agent containing usually 0.01-2wt.% compound shown by the formula [X is NH or N-R<2> (R<2> is lower alkyl or O; Y is (CH2)3, CH=CH or CH2CH=CH; R<1> is alkyl] such as 1-methylpyrrolidin-2-one having inhibitory action on testosterone-5alpha-reductase. Synergistic effects are attained by adding a proper amount of essence of Japanese swertia or vitamin E nicotinate having talangiectasia action on skin. |
