Chitin (inci)

Author: Prof. Dr. med. Peter Altmeyer

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Last updated on: 29.10.2020

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Definition
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Chitin is a natural active ingredient used in cosmetic products. Chitin is naturally found in the shells and shells of insects and crustaceans and in fungi as a builder.

Chitin is the second most common polysaccharide after cellulose, to which it is structurally similar as a polymer of N-acetylglucosamine. As with cellulose, the acetylglucosamine units are connected by a β-1,4-glycosidic bond. Splitting off the acetyl groups produces chitosan (naturally occurring in some fungi).

General information
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Chitin has interesting material properties. Chitin polymers form crystalline microfibrils. They can be processed into fibres, films, membranes and colloids. The polymers are biocompatible; they are completely non-toxic and are broken down in the human organism by the enzyme lysozyme.

By attaching hydrocarbon or acid residues to the free hydroxyl groups of chitin, numerous derivatives can be produced.

The biodegradability of chitin (and chitosan) opens up further applications in medicine, pharmacy and cosmetics. Chitin is used in both hair and skin care. As an additive in skin care products, it promotes the skin's moisture-binding capacity. It is particularly suitable for the care of dry, brittle skin.

Note(s)
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Chitin derivatives which are used in cosmetic products:

  • chitin glycolates
  • Chitosan
  • ascorbic chitosan
  • Chitosan formats
  • Chitosan glycolate
  • chitosan lactates
  • Chistosan pca
  • Chitosan salicylate
  • chitosan succinamide

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Chitin glycolate (inci);

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Last updated on: 29.10.2020