Excellent Cosmetic Ingredient

3 O Ethyl Ascorbic Acid

INCI: 3-O-ETHYL ASCORBIC ACID

CAS Number
Insufficient Data
Function
Antioxidant; tyrosinase inhibitor; melanogenesis inhibitor; skin-brightening
Safety Rating
EXCELLENT

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted cosmetic ingredient. CIR safe as used (2022 ethers/esters group). No FDA concentration restriction.

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

CIR safe as used (2022 ethers/esters update). Superior stability to L-AA with ether bond at C-3 blocking oxidation pathway. Amphiphilic formulation capability. EU unrestricted. Approved as functional whitening active in Korea and quasi-drug whitening active in Japan.

⚠️
Concern Level: None

Regulatory Flags

cir-safe-as-used-2022 eu-unrestricted superior-stability-ether-bond amphiphilic korea-functional-cosmetic-whitening japan-quasi-drug-whitening

Frequently Asked Questions

Is 3 O Ethyl Ascorbic Acid safe in cosmetics?

CIR safe as used (2022 ethers/esters update). Superior stability to L-AA with ether bond at C-3 blocking oxidation pathway. Amphiphilic formulation capability. EU unrestricted. Approved as functional whitening active in Korea and quasi-drug whitening active in Japan. The EU classifies 3 O Ethyl Ascorbic Acid as "permitted". Safety rating: EXCELLENT.

Is 3 O Ethyl Ascorbic Acid allowed in the EU?

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

What does 3 O Ethyl Ascorbic Acid do in cosmetics?

3 O Ethyl Ascorbic Acid functions as: Antioxidant; tyrosinase inhibitor; melanogenesis inhibitor; skin-brightening. It is classified as a cosmetic ingredient in our database. CAS number: Insufficient Data.

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

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.

Compliance Tools

Check 3 O Ethyl Ascorbic Acid compliance across multiple jurisdictions:

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Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
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Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions
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