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Peeling is an anti-ageing technique, based on the action of acids which eliminate the outer layers of the epidermis. Doing this stimulates the regeneration of the skin and notably the production of collagen, a molecule which maintains its firmness.
There are different levels of peeling depending on the nature of the acids used and their concentration.
- Very superficial peelings are carried out with products made of 20-35% glycolic acid. It is a fruit acid extracted from sugar cane which eliminates the superficial part of the epidermis.
- Superficial peelings are carried out with products made of 50 - 70% glycolic acid or of trichloroacetic acid (TCA), a derivative of vinegar acid, from 12 to 20%. This type of peeling eliminates the whole epidermis.
- Medium peelings are carried out with products made of TCA from 25 to 40%. They work upon the outer layer of the dermis.
- As far as deep peelings are concerned, they are made with phenols, a family of chemical molecules. They consist of heavy action reaching the middle of the dermis.