Ethyl Ascorbic Acid (VC Ethyl Ether)
Ethyl Ascorbic Acid is a highly stable vitamin C derivative developed to address the inherent instability and formulation challenges of traditional ascorbic acid. By introducing an ethyl group at the 3-O position, this molecule preserves the biological activity of vitamin C while significantly improving resistance to oxidation and discoloration.
Designed for modern whitening and tone-evening formulations, Ethyl Ascorbic Acid delivers effective melanin inhibition, antioxidant protection, and long-term skin brightness with improved skin tolerance, making it suitable for daily-use cosmetic products.
Why Choose Ethyl Ascorbic Acid?
A balanced solution between efficacy and formulation stability
Compared with conventional vitamin C and some unstable derivatives, Ethyl Ascorbic Acid offers a rare combination of high whitening performance, excellent stability, and formulation flexibility.
It is particularly suitable for brands and manufacturers seeking reliable whitening efficacy without sacrificing shelf life, product appearance, or skin comfort.
Key Benefits
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Effectively inhibits tyrosinase activity, reducing melanin formation
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Improves dullness and uneven skin tone with continuous use
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High chemical stability, resistant to oxidation and discoloration
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Lower irritation potential compared with pure L-ascorbic acid
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Suitable for daily-use and long-term brightening products
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Easy to formulate in water-based systems and emulsions
Typical Applications
Ethyl Ascorbic Acid is widely used in:
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Skin brightening and whitening serums
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Dark spot and hyperpigmentation correction products
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Tone-evening creams and lotions
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Antioxidant skincare formulations
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Daily maintenance brightening products
Its stability and safety profile make it especially suitable for mass-market to premium skincare lines.
Recommended Usage Level
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General brightening products: 0.5% – 1.0%
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Intensive whitening or spot correction products: up to 2.0%
The recommended level may be adjusted based on formulation system and target efficacy.
Technical Information
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INCI Name: Ethyl Ascorbic Acid
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Appearance: White to off-white crystalline powder
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Solubility: Water soluble
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Stability: Excellent stability in cosmetic formulations
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Function: Skin brightening, antioxidant, tone-evening
FAQ
Is Ethyl Ascorbic Acid more stable than traditional vitamin C?
Yes. Structural modification significantly improves resistance to oxidation, making it far more stable than L-ascorbic acid in finished products.
Does it convert to vitamin C on the skin?
Ethyl Ascorbic Acid can gradually release active vitamin C in the skin, providing sustained whitening and antioxidant effects with improved tolerance.
Is it suitable for sensitive skin formulations?
Compared with pure vitamin C, Ethyl Ascorbic Acid generally shows lower irritation potential, making it suitable for daily-use and sensitive-skin products when properly formulated.
Can it be combined with other whitening actives?
Yes. It is commonly used alongside niacinamide, arbutin derivatives, and other brightening ingredients in multi-active formulations.
Supply & Documentation
We provide stable supply and consistent quality of Ethyl Ascorbic Acid for cosmetic manufacturers and professional ingredient distributors worldwide.
Available documentation includes:
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TDS
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SDS
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COA
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Formulation and technical support
Contact us to request samples, technical documents, or pricing information.







