The skin on her physiological function regulator, has an important role in the general metabolism of the body, so the degree of hydration of the stratum corneum occurring, that maintains and integrates the elastic surface, is of fundamental importance . The stratum corneum directly exposed to influences of the external environment, has the property to check their content in water for the presence of substances that are designed to retain water.
The stratum corneum also, thanks to keratin cells corneas, with the right level of hydration, behaves from thermal insulation, adjust the water of deeper layers, neutralizes acid and alkali and serves as a barrier against the penetration of foreign bodies and microorganisms.
The keratin of the stratum corneum, without water-soluble substances, becomes brittle, losing the characteristics of flexibility and buffer to the chemical, is rough to the touch and has all the characteristics of the skin dry.
There are many possible causes of dehydration:
• relative decline of the environment;
• increase in temperature and exposure to the sun;
• Action chemicals;
• diseases of the body;
• non-functioning of the physiological moisture in the stratum corneum, which can be moved to dehydration or a production of sebum.
Tags: causes, Dehydrated, skin?