There are several ways to tighten the skin: 1, separate the egg white from the egg yolk by removing wrinkles with protein, apply the egg white on the wrinkles, relax the face after application, and try not to have an expression. 10- 15 minutes later, wash it with warm water. You can also add honey or milk powder to the egg white, mix well and apply it to the wrinkles. 2, orange honey wrinkle method Wash oranges, juice with meat, add honey and medical alcohol and mix well. Apply it to wrinkles once every morning and evening, and wash it off with water for about 20 minutes. This method can not only remove wrinkles, but also lubricate the skin. 3. Yogurt and yogurt are often applied externally and orally, which can not only supplement nutrition, but also beautify and lose weight. It also contains organic acids such as lactic acid, and can also achieve anti-wrinkle, sterilization and anti-corrosion effects. 4, eat more nucleic acid food, mainly fish, shrimp, animal liver, black fungus, mushrooms, ginseng, honey and so on. Eating these foods regularly can achieve the purpose of strengthening the body, caring skin and removing wrinkles. 5, choose to eat chondroitin sulfate food chondroitin sulfate can make the skin elastic, is a very important substance to wrinkle and wrinkle. If the human body lacks chondroitin sulfate, the skin will accelerate aging. Foods rich in chondroitin sulfate mainly exist in the cartilage of chicken, fish, shark's fin and salmon head.