A composition contains a substance, which is capable of inhibiting activity of ADAM (a disintegrin and metalloprotease) present in a skin, in a proportion efficient for preventing or remedying wrinkling. Wrinkling is prevented or remedied with a method comprising the step of applying a substance, which is capable of inhibiting activity of ADAM present in a skin, to the skin. Anti-wrinkling effects are evaluated with a method wherein enzymatic activity or a gene expression level of ADAM in a skin, a skin tissue, or cells is used as an index.