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The steps to the formation of a wrinkle in the second layer of the skin

The dermis is a true support for the epidermis, to which it is attached by a junction called dermo-epidermal. It helps with:

  • feeding the skin cells
  • the elimination of waste
  • the regulation of the blood circulation

The dermis is both a layer of resistance and a centre of nutrition.

The strong element of the skin

The dermis is four times thicker than the epidermis. It forms the resistant layer of the skin and contains elastin and collagen, proteins which give the skin its suppleness and elasticity.

The dermis is linked with a large number of adjoining elements in the skin:

  • The hair, which protects the skin
  • The sweat glands which make perspiration
  • The sebaceous glands which make sebum
  • The blood vessels which nourish tissues

A nutritional role

The nutriments which circulate in the body via the blood leave the blood vessel and cross the dermo-epidermal layer to join the cells of the epidermis.

The dermis and ageing

When the process of skin ageing starts, numerous cells of the dermis are affected.  That is the case with the sebaceous glands, where cells make collagen and elastin, of which the production is reduced.

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