Inevitably, I don't know the importance of skin moisturizing

Inevitably, I don't know the importance of skin moisturizing

Skin moisturizing work, no matter what season is the beauty you should be listed as the primary maintenance goal, Thermage FLX there are many articles on the Internet about skin moisturizing, from which we know the importance of skin moisturizing, skin moisturizing is actually closely related to the healthy development of skin and skin composition, and then will tell the beauty of you, skin moisturizing is not an important reason.

Not to know the skin composition

The skin is the largest organ in the human body and has a skin barrier function, which effectively prevents the invasion of microorganisms and pathogens, and can resist physical and chemical damage. The total surface area of the skin is about 1.8 square meters, which is about 16% of the body weight. The skin is divided into epidermis, dermis and Hypodermis/ subcutaneous tissue.

The epidermis is the outermost layer of the skin that forms a protective barrier on the surface of the body and can be divided into four layers: the stratum corneum, the granular layer, the prickly layer and the basal layer. The keratinocytes of the stratum corneum are composed of ceramides, cholesterol and fatty acids, and the intercellular lipid membrane is composed of ceramides. Keratinocytes contain a natural moisturizing factor (NMF) complex of about 20-30 C /o. NMF is the absolute basic guarantee for the effective work of skin physiological metabolism.

A natural moisturizing factor for the skin

According to the above analysis, the natural moisturizing factors in the skin are essential to maintain the normal physiological metabolism of the skin. The following will list the different proportions of the main natural moisturizing factors in keratinocytes.