Dry skin is divided into two types: dehydrated and oily. Dehydrated dry skin is mostly seen in people over 35 years old and older. Oil-deficient dry skin is mostly seen in young people. In dehydrated dry skin, the sebaceous gland secretion of the skin is normal, but the skin is just dehydrated and dry due to improper skin care products or climate and other reasons. A serious imbalance of water and oil in the skin can lead to more oil secretion by the sebaceous glands, resulting in a situation where the outside is oily and the inside is dry. This can lead many people to believe that they have oily skin, and force the use of oil control products and frequent use of oil-absorbing facial tissue to control oil. For this kind of oily skin, hydration is the most important thing. Blindly controlling oil will only make the skin lose the protection of oil and stimulate the sebaceous glands to secrete more wildly. So the key is to do a good job of moisturizing and hydrating, the skin is not dehydrated, and the shine will naturally disappear. So during the day, it is very important to choose a day cream with sufficient ingredients, good quality, added moisturizing ingredients and strong protection. When applying moisturizing products, let them slowly penetrate into the skin and massage with your middle finger in gentle circles, taking care not to rub the skin hard. In the evening, the eyes are the focus of nighttime maintenance, when choosing eye care products, try to moisturize and hydrate the main. For the face, use a night cream that contains moisturizing and nutritious ingredients. Dry skin with oil deficiency is easily recognized as dry skin because it looks shine-less. Since the skin lacks the protection of sufficient sebum, moisture cannot remain in the skin, so the skin appears dull, rough, and lacking in delicacy, and is easily irritated by external stimuli resulting in sensitivity symptoms. In the choice of clean skin care products, dry skin people should not use strong alkaline cosmetics and soaps, etc., to avoid inhibiting the secretion of sebum and sweat, making the skin more dry. It is best to use a facial cleanser with moisturizing ingredients; after facial cleansing, it is best to apply some moisturizing and moisturizing skin care products, such as moisturizing lotion and milk, before the toner is completely dry, which can retain the moisture contained in the toner and is good for moisturizing the skin. The best choice when choosing a sunscreen is to use a sunscreen that has added hydration and antioxidants. Dry skin in the diet should pay attention to choose some fat, vitamin content of food, such as milk, eggs, pig liver, gelatinous food and fresh fruit. The focus of dry skin care is sun protection. UV rays from the sun can easily cause skin irritation and discoloration on dry skin, so extra attention should be paid. Hydration, sun protection and anti-aging is the theme for dry skin.