| abstract |
(57) [Problem] To provide a skin external preparation having an excellent anti-aging effect, which has an excellent anti-aging effect on the dermis and has an excellent anti-aging effect on the skin. is there. Kind Code: A1 A degradation product of collagen or gelatin by collagenase, particularly, the amino acid sequence of which is (Gly-X -Y) n (where Gly represents a glycine residue; X, Y represents an amino acid residue excluding a glycine residue; X and Y may be the same or different; and n represents a positive integer), and has an average molecular weight of 280 to 280. 2 It has been found that the above problem can be solved by providing an external preparation for skin containing the above-mentioned degradation product as an active ingredient, which contains a peptide of 0000. |