Film Former
CHITOSAN
Safety score · 0–100
Good
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
Chitosan — a deacetylated chitin polymer from crustacean shells used as a natural film former and skin conditioner. Strong cosmetic safety record outside of rare shellfish allergy.
Function
Skin benefits
- Natural film former from shellfish chitin
- Skin conditioning and moisturizing
- Antimicrobial-friendly profile
Known concerns
- Possible shellfish allergen in highly sensitive users
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.