| 摘要 |
PROBLEM TO BE SOLVED: To obtain a preparation that promotes cystatin A production, increases skin barrier, normalizes skin keratinization, increases skin moist feeling, decreases small wrinkles, and prevents skin roughness, for increasing barrier function and moisture holding function of the skin.SOLUTION: A cystatin A production promoter, a skin barrier increasing agent, a skin keratinization function increasing agent, and skin roughness preventing agent could be obtained by using an extract of Ishige, a brown algae, as an active ingredient. |
