The weather is dry and windy, how to maintain the skin?

Generally speaking, the skin is easy to dry in autumn and winter. After the age of 25, sebum secretion is disordered, and the natural moisturizing factors of the skin are reduced, which will cause dryness. There are two kinds of sebum secretion disorders, one is excessive secretion, forming oily skin; One is decreased secretion, resulting in dry skin; These two kinds of drying are different. Note that there are two reasons for dry skin: lack of water and anemia. Therefore, it is very necessary to replenish enough water in the body: this is the reason for drinking at least 6 ~ 8 glasses of water every day; In addition, blood must be supplemented: because anemia first makes the skin blood vessels contract and become pale and dry.

Of course, in addition to their own physiological factors, external factors have a great influence on dry skin, including cold air, scorching sun, central air conditioning, etc., which will take away the moisture of the skin.

So to sum up, the reasons for dry skin are:

1, with the increase of age, the skin's ability to store water will decrease, sebum secretion will also decrease, which will make the skin moist.

2, insufficient sebum secretion-the skin surface is formed by sebum membrane, which can help the skin maintain proper moisture. Once the secretion of sebum is reduced, it can not meet the needs of making sebum film, and the skin will become dry.

3, the temperature drops-in the cold winter, the secretion of sebum and sweat will decrease rapidly, but because the air is too dry, the moisture of the skin will gradually evaporate, the skin surface will become rough and the resistance will weaken.

4, lack of sleep, fatigue-lack of sleep plus fatigue, will cause considerable harm to the body, blood circulation will also deteriorate. If the health is out of balance, the skin will be lifeless and prone to dryness and roughness.

5, weight loss partial eclipse-extreme weight loss partial eclipse will also make the skin dry. When the skin can't get enough nutrition, it will lose elasticity and moisture, making the skin dry and fragile. Xeroderma is also called xeroderma.

6, other reasons-indoor heating temperature is too high, bathing with overheated water, using irritating soap or detergent, endocrine changes, such as decreased estrogen secretion in women after menopause.

In cold, windy and dry seasons, it is not enough to rely on the oil secreted by the skin itself, but also to use moisturizers for external use. No matter which season is the most important season for conditioning the skin, there are several ways to moisturize the skin:

1, oil moisturizing method to prevent skin moisture evaporation, that is, coating mineral oil such as vaseline on the skin can seal the skin so that the water in the skin will not evaporate. This is why Ponzi Vaseline skin cream on the market uses this principle. Its disadvantages are too greasy, easy to absorb soil, and dirty face.

2. Moisture absorption and moisturizing method They use glycerol, sorbitol, propylene glycol and polyethylene glycol to absorb external moisture. They are water-absorbent and suck moisture from the atmosphere into the skin. For example, glycerin is water-absorbent and has a moisturizing effect, but it can't be pure. On the contrary, pure glycerin will absorb moisture in the skin. To make the ratio of 1: 3, add 10%~ 15% glycerol to the total prescription, which is oily and absorbent.

3. Hydration and moisturizing combined with hydration is a hydrophilic and water-soluble substance. It will form a network structure and turn the free water in the network into bound water. These substances include collagen, at least elastic substances, hyaluronic acid, etc.

4, repair keratinocytes, repair and moisturize, improve the protective function of the skin and achieve the purpose of moisturizing. Such as vitamins A, C, E, B5, fruit acid, etc. Can improve the function and metabolism of keratinocytes, thereby improving the moisturizing function of the skin.

The simplest and most effective way is to drink plenty of water and wash your face, and often sprinkle some water on your face. But after hydrating, you must lock the moisture on your face with something hydrophilic, otherwise it will be drier after evaporation, just like your lips are getting drier and drier.