Film Former
CARBOXYMETHYL CHITIN
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A water-soluble chitin derivative used as a film-forming moisturizer. Biopolymer with a long, benign safety record; main caveat is shellfish-source allergen sensitivity.
Function
Skin benefits
- Film-forming biopolymer
- Skin moisturizing
- Chitin/chitosan derivatives well tolerated
- Biodegradable
Known concerns
- Shellfish-derived — theoretical allergen for some
- Variable purity by source
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related film formers
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This profile is for educational purposes and does not constitute medical advice. Regulatory status and scientific understanding evolve — always read the physical product label and consult a healthcare professional for personal concerns.