| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultraviolet light resistance improver, improving the resisting power of skin against ultraviolet light by oral ingestion, and capable of reducing or controlling the damage of the skin caused by exposure to ultraviolet light.SOLUTION: This oral ultraviolet light resistance improver is provided by including diisopropyl sebacate, acetyltryptophan or its salt, or azelaic acid or its salt as an active ingredient. |
