| abstract |
[PROBLEMS] To fundamentally improve skin function by enhancing hyaluronic acid synthesizing ability originally possessed by cells, and to prevent skin wrinkle, dry skin, sunburn skin, and aging skin while maintaining skin firmness and moisture Provided is a skin external preparation composition that can be improved. [MEANS FOR SOLVING PROBLEMS] (A) One or more dermal hyaluronic acid production promoters selected from 3-methylcyclopentadecanone, N-methyl-L-serine or a salt thereof, and (B) Iridae Crocus saffron ( Crocus sativus) containing one or more epidermal hyaluronic acid production promoters selected from N-acetylglucosamine, and 3-methylcyclopentadecanone or Iridae crocus saffron ( Crocus sativus), a skin external preparation composition characterized by comprising an essential oil or an extract obtained from essential oil. [Selection figure] None |