The meaning of skin hydration

One of the skin’s most important functions is water conservation, acting as a semi-permeable barrier to the loss of water. The skin’s epidermal and dermal layers have different functions, but water conservation depends on both.

Preserving a youthful appearance requires an ideal hydration balance deep within the epidermis and dermis to prevent excessive transepidermal water loss. Maintaining this level of moisture requires a well- structured epidermis that is fully capable of its role as a protective barrier.

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