3-O-Cetyl Ascorbic Acid

INCI: 3-O-CETYL ASCORBIC ACID

CAS Number
88306-70-1
Function
Skin Conditioning
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” no specific FDA restriction; falls under general cosmetic ingredient provisions

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Limited independent safety dossier compared to ascorbic acid or ethyl ascorbic acid; formulators should verify stability and oxidation behavior.

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Concern Level: Low

Frequently Asked Questions

Is 3-O-Cetyl Ascorbic Acid safe in cosmetics?

Limited independent safety dossier compared to ascorbic acid or ethyl ascorbic acid; formulators should verify stability and oxidation behavior. The EU classifies 3-O-Cetyl Ascorbic Acid as "permitted". Safety rating: GOOD.

Is 3-O-Cetyl Ascorbic Acid allowed in the EU?

3-O-Cetyl Ascorbic Acid EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-O-Cetyl Ascorbic Acid do in cosmetics?

3-O-Cetyl Ascorbic Acid functions as: Skin Conditioning. It is classified as a cosmetic ingredient in our database. CAS number: 88306-70-1.

What is the Margin of Safety for 3-O-Cetyl Ascorbic Acid?

not established 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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