PROBLEM TO BE SOLVED: To provide a dermatological or cosmetic composition for stimulating hair growth or preventing hair loss, containing a peptide.SOLUTION: The invention provides a cosmetic or dermatological composition which is used for the prevention and curative treatment of alopecia, and contains a peptide corresponding to a formula (I) or a conjugate thereof corresponding to a formula (II): X-Gly-His-Lys-Y (I); A-X-Gly-His-Lys-Y (II), [where, A is a monocarboxylic acid residue, a lipoic acid or a reduced form thereof, dihydrolipoic acid, N-lipoyl-lysine, or retinoic acid and the like; X is from one to three lysine residues and the like which may be methylated; Y is a hydroxyl group or an amino group; an amino acid is a D, L, or DL form; A-H is H]【課題】ペプチドを含有する、発毛刺激又は脱毛防止のための皮膚科用又は美容用組成物の提供。【解決手段】式(I)に対応するペプチド、又は式(II)に対応するその複合体を含む、脱毛症の予防及び治療的処置に使用する美容または皮膚科用組成物。X-Gly-His-Lys-Y(I)A-X-Gly-His-Lys-Y(II)[Aはモノカルボン酸残基、リポ酸もしくはその還元型、ジヒドロリポ酸、N-リポイル-リシン、又はレチノイン酸等;Xはメチル化されていてもよい1~3のリジン残基等;Yは水酸基又はアミノ基;アミノ酸はD、L又はDL形;A-HはH]【選択図】なし