Crack open some eggs. Protein helps repair cells that have suffered free radical damage. Eggs, a complete source of protein, also contain biotin, an essential vitamin that protects against dry skin.

　　常吃鸡蛋。蛋白质帮助修复被自由基破坏的受损细胞。鸡蛋富含丰富蛋白质和维生素，可以对抗干燥皮肤的必不可少的维他命物质。