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Skin structure & functions

The skin is an organ in itself: it is a tissue which covers the whole body, representing 15% of your body weight and about 2m2 of surface. Understanding the structure and function of this vitally important organ should be the first step in finding an effective skin disease treatment or anti-aging solution

The physiological functions of the skin are:

Protection
The skin protects the body from physical, chemical and biological threats (microorganisms, UV radiation, etc.).

Sensation
It is a sensory organ with sensory receptors.

Thermoregulation
Via sweat secretion and modulation of cutaneous microcirculation.

Metabolic activity
It synthesizes vitamin D in the presence of sunlight.

Skin is also a secretory organ. It secretes sweat and sebum.

The skin is divided into three layers:

  • the Epidermis (or outermost layer) for protection and hydration

  • the Dermis for maintenance and elasticity

  • the Hypodermis (or subcutaneous tissue) for energy.

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