| 摘要 |
There are provided an anti-aging composition, a collagen production promoting composition, a collagen gel contraction promoting composition, and an integrin production promoting composition for promoting integrin production in fibroblasts/epidermal cell, which have improved collagen production promotion effect and are effective for preventing or reducing wrinkle and/or sagging caused by aging. These anti-aging composition and promoting composition comprise, as an active ingredient, a hydrogen peroxide-treated yeast hydrolysate.
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