Why is skin so dry in winter?

Dryness: The enemy of winter is divided into epidermis, dermis and subcutaneous fat. The outermost layer of the epidermis is the stratum corneum, due to the water absorption and barrier function of the stratum corneum itself, as well as the natural moisturizing factors contained in the stratum corneum, namely amino acids, lactates and sugars, etc., so that the stratum corneum maintains a certain water content and maintains the moisture of the first level.

The appearance of ** is related to the moisture content of the stratum corneum, and the normal ** stratum corneum usually contains 10%-30% water to maintain the softness and elasticity of **. However, with age, the moisture content of the stratum corneum will gradually decrease, and when the moisture content of the stratum corneum is less than 10%, dryness, tightness, roughness and scaling will occur. So what are the causes of water loss, dryness, and tarnishing?

Generally speaking, the internal and external conditions that cause the imbalance of the natural moisturizing structure are mainly as follows: With the increase of age, the moisturizing effect and barrier function of the natural moisturizing effect are gradually weakened, and the content of natural moisturizing factors decreases; Dry and cold climates with low humidity, such as autumn and winter; Certain ** lesions, such as psoriasis, ichthyosis, etc.; environmental and chemical factors, such as detergents such as laundry detergents, soaps, dish soaps, and organic solvents such as alcohol, as well as prolonged air-conditioned environments; Eating and sleeping habits, such as picky eating, drinking less water, insomnia, etc.; Dry**. Due to the direct contact with the external environment at all times, if it is not protected, there is more or less water shortage, which directly affects the appearance of the world.

At this time, in addition to ensuring a normal and healthy diet to ensure protein and vitamin supplementation, and trying to avoid the influence of external adverse factors and positive diseases, you should also use appropriate moisturizing cosmetics as needed. Repel the Seven Rules of Dryness in winter, although people like to take hot baths. However, the water temperature that is good for ** is lukewarm, because the hot water will completely wash off the natural oil on **, and this natural oil is much more effective than using skin care products to dissolve dryness after you bath.

In winter, bathing should generally not exceed 15 minutes. If you must take a hot bath, use a bath liquid or mild soap whenever possible. After bathing, moisturizers should be applied to all parts of the body without completely drying.

Doing so helps to penetrate the emollient ingredients into the upper layers. When men shave in winter, it is best not to use shaving cream, and shampoo can be used instead. For areas of the body that are prone to dryness, it's best to use a stronger skincare product such as petroleum jelly.

Unlike general skin care products, Vaseline can "seal"** to reduce the evaporation of water, which is very effective in protecting drier **. After washing or washing your hands, you should use some hand cream that will keep you hydrated. When at home, there are more exposed places than outdoors, and using a humidifier is a good way to solve the problem of dryness.

1. In winter, it is necessary to keep it smooth, first of all, reduce direct contact with cold wind. The most commonly used is to apply grease and cold cream. In fact, as long as you wipe the neck, chest, and feet with a dry towel every morning, until you are red, then soak another towel in cold water, wring it out, and wipe your body vigorously in order until it is red, you can achieve twice the result with half the effort, and you can also prevent colds and immediately achieve ruddy skin.

2. The dry climate in winter often makes the face appear tight and dry, for the dryness of congenital insufficient secretion of water and oil, in fact, it is best to wash the face with a warm towel 3 times a day, and the best way to wash the face is to use a towel dipped in water to wash the face, or use your hands to wash the water on the face, which can not only cleanse the skin, but also replenish sufficient moisture, and then apply skin care products such as anti-wrinkle cream and massage it slightly. 3. For oily secretions that are not as vigorous as in spring and summer, you can use a flexible facial cream to cleanse the skin. For neutral**, you can use a daily cleansing cream and a flexible grinding balm once a week.