A method for protecting skin is provided. The method comprises administering to a subject in need a composition, wherein the composition comprises an effective amount of a Camellia sinensis callus extract, and the extract is a polar solvent extract of calluses of Camellia sinensis leaves. The method is especially for nursing skin, repairing skin, improving skin condition, delaying skin aging, assisting in maintaining content of collagen in skin, against photodamage, preventing skin lesions, and/or promoting wound healing.
