Disclosed is a stable and safe antioxidant composition which can be used routinely.Specifically disclosed is an antioxidant composition which contains one or more compounds selected from the group consisting of D-aspartic acid, derivatives thereof and/or salts thereof. The composition may be used for the purpose of suppressing and/or improving skin conditions. The skin conditions may include but is not limited to fine wrinkles, rough skin, dry skin, skin cancers, skin allergies, inflammation of the skin and photosensitive dermatosis. The composition may be used for an external preparation for the skin, food and a pharmaceutical product for cataract.
