Disclosed is a novel composition capable of significantly promoting the production of collagen. Specifically disclosed is a composition comprising (A) at least one member selected from the group consisting of ascorbic acid, a derivative thereof and a salt of ascorbic acid or the derivative, and (B) at least one member selected from the group consisting of a peptide represented by the formula: Leu-Glu-His-Ala (Formula I), a derivative thereof and a salt of the peptide or the derivative. Also specifically disclosed is a composition comprising (A) at least one member selected from the group consisting of ascorbic acid, a derivative thereof and a salt of ascorbic acid or the derivative, and (B) at least one member selected from the group consisting of a peptide having the conservative substitution, deletion and/or addition of at least one amino acid residue in the amino acid sequence: Leu-Glu-His-Ala (Formula I) and capable of promoting the production of collagen in a cell, a derivative thereof and a salt of the peptide or the derivative.