| 摘要 |
PROBLEM TO BE SOLVED: To obtain a skin care preparation which shows ameliorated bleaching effect or darkening prophylactic effect to the skin and exhibits excellent stability or safety as a cosmetic preparation. SOLUTION: This skin care preparation is obtained by including an adjuvant component, e.g. ascorbic acid/its derivative, a crude drug/its extract, a hydroxycarboxylic acid/its salt, an oil-soluble extract from licorice, an extract from gentian, a phenolic derivative/its slat, an extract from placenta, kojic acid/its derivative, glucosamine/its derivative, azelaic acid/its derivative, retinol/ its derivative, pyridoxine/its derivative, tocopherol/its derivative, chitosan/its cleavage product, a caffeic acid derivative, hydroxycinnamic acid/its derivative, an extract from the family Ammiaceae plants, a mycelium cultured cell/its extract or a plant leaf/its extract, and hydroquinone-α-D-glucose.
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