Chitin

INCI: CHITIN

CAS Number
1398-61-4
Function
Film forming; skin conditioning; viscosity controlling
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes FDA permitted; generally recognized as safe polymer

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Generally recognized as safe polymer with adequate margin of safety; however, data gaps exist for reproductive toxicity, developmental toxicity, endocrine activity, and repeated-dose neurotoxicity; shellfish allergen cross-contamination risk from protein residues warrants precaution.

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Concern Level: Moderate

Regulatory Flags

potential-allergen

Frequently Asked Questions

Is Chitin safe in cosmetics?

Generally recognized as safe polymer with adequate margin of safety; however, data gaps exist for reproductive toxicity, developmental toxicity, endocrine activity, and repeated-dose neurotoxicity; shellfish allergen cross-contamination risk from protein residues warrants precaution. The EU classifies Chitin as "permitted". Safety rating: GOOD.

Is Chitin allowed in the EU?

Chitin EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Chitin do in cosmetics?

Chitin functions as: Film forming; skin conditioning; viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 1398-61-4.

What is the Margin of Safety for Chitin?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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