1. Sudden obesity or emaciation in a short time will lead to skin relaxation; -"Take it easy even if you lose weight. 2. If the skin is short of water, fine lines will appear and lose elasticity; -"Drink plenty of water at ordinary times, can you guarantee 2000ml? Use skin care products, masks and toners with good moisture retention (too many words in the essence area). 3. The skin lacks nutrition to maintain elasticity; -"If you don't like skin, drink more tremella soup, once every two or three days. Now all canteens have it, which is very convenient; 4. The skin has lost its vitality; -"It is best to wash your face with warm water first and then cold water. After washing your face, gently massage or pat to promote blood circulation. In fact, these things are long-term persistence. If you really value these things, it is not difficult to stick to them. Diet is the most important thing. Don't eat too spicy and salty, and don't stay up late. Drink some honey every morning and some hot milk at night. If you can stick to these, your skin will be greatly improved. The process of aging is inevitable, and it is also the result of many factors. If you want to keep your skin vibrant, you need to pay attention to diet, sleep, exercise, mental stress, skin care products and other aspects.