Humectant
CHITIN SULFATE
Safety score · 0–100
Fine
Derived from EU CosIng regulatory status, PubChem hazard data and published research. How we score.
About
A sulfated chitin polymer from crustacean shells — binds water and forms a soft conditioning film on skin. Generally well tolerated, but worth noting for those with shellfish allergies.
Function
Skin benefits
- Humectant water-binding for skin
- Film-forming for smooth feel
- Biopolymer of natural origin
- Mildly soothing on barrier
Known concerns
- Crustacean-derived — shellfish allergy consideration
- Sulfated polysaccharides can vary in purity batch to batch
References
EU CosIng database
European Commission cosmetic ingredient registry — regulatory status, restrictions, authorised functions.
Related humectants
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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.