| 摘要 |
PROBLEM TO BE SOLVED: To obtain a collagen synthesis promoter and a collagen metabolism activator for preventing the skin from hardening and wrinkling by activating collagen metabolism. SOLUTION: This collagen synthesis promoter comprises an extract of at least one kind of plant selected from the group consisting of licorice, white mulberry root bark, Equisetum arvense, aloe, lonicerae flos, cork tree bark, leaf of Artemisia princeps and gentian as an active ingredient. This collagen metabolism activator comprises the collagen synthesis promoter and a collagen production promotion substance. |
