3-O-Ethyl Ascorbic Acid - 98%- VEGAN

USP Highlights

• Vitamin C derivative for modern skincare formulations

• Supports antioxidant and skin-brightening formulation concepts

• Suitable for uneven-tone and radiance-focused skincare

• Water-soluble ingredient for aqueous formulation development

• Cosmetic Grade | Vegan

• 98% purity 

Product Information

3-O-Ethyl Ascorbic Acid — Cosmetic Grade | Vegan

3-O-Ethyl Ascorbic Acid, also known as Ethyl Ascorbic Acid, is a modified vitamin C derivative used in cosmetic and personal-care formulations.

It is valued for its antioxidant activity and potential to support brighter, more even-looking skin. Its modified chemical structure makes it an alternative to conventional L-Ascorbic Acid in vitamin C skincare development.

This water-soluble ingredient suits cosmetic formulators developing antioxidant serums, brightening creams, facial gels, and targeted skincare products.

Ingredient Identity

• INCI Name: 3-O-Ethyl Ascorbic Acid

• Alternative Name: Ethyl Ascorbic Acid

• CAS Number: 86404-04-8

• Ingredient Category: Vitamin C Derivative

• Grade: Cosmetic Grade

• Purity: 98%

• Vegan Status: Vegan

• General Solubility: Water-soluble

Benefits

Antioxidant Activity

3-O-Ethyl Ascorbic Acid has shown antioxidant activity in experimental research, supporting its use in cosmetic formulations designed to protect against oxidative stress.

Skin-Brightening Potential

Laboratory studies indicate activity on pathways associated with melanin formation, supporting its relevance in brightening and uneven-tone skincare development.

Radiance and Even-Looking Skin

Suitable for formulations designed to improve the appearance of dullness and promote a brighter, more even-looking complexion.

Vitamin C Formulation Versatility

Offers an alternative to conventional L-Ascorbic Acid for formulators developing vitamin C skincare. Actual ingredient stability and performance depend on formulation conditions.

Water-Soluble Formulation Compatibility

Its water-soluble character supports evaluation in aqueous serums, gels, lotions and creams, subject to concentration and compatibility testing.

Applications

Vitamin C Facial Serums

For developing antioxidant and radiance-focused facial serums.

Skin-Brightening Creams

For cosmetic formulations targeting the appearance of dull and uneven skin tone.

Facial Gels and Gel-Creams

For lightweight, water-based vitamin C skincare formulations.

Antioxidant Moisturisers

For daily-use skincare combining moisturising ingredients with antioxidant formulation concepts.

Uneven-Tone Skincare

For targeted cosmetic products designed to improve the appearance of uneven skin tone, subject to finished-product efficacy testing.

Radiance-Focused Lotions

For face and body skincare products positioned around brighter-looking skin.

How to Use

Typical Usage Rate

A product-specific recommended usage percentage has not yet been verified.

Published technical guidance for comparable 3-O-Ethyl Ascorbic Acid grades varies. The appropriate concentration should be established through formulation trials, technical guidance and finished-product safety assessment.

Phase of Adding

Suitable for evaluation in the aqueous phase of cosmetic formulations.

Pre-dissolution in a suitable water phase may be considered. For heat-sensitive systems, assess incorporation during a controlled cool-down stage.

The exact processing temperature and addition method should be established through formulation-specific testing.

Formulation Considerations

• Verify complete dissolution at the intended concentration.

• Evaluate pH compatibility and finished-product stability.

• Assess compatibility with other active ingredients.

• Monitor changes in colour, odour and pH during stability testing.

• Evaluate packaging compatibility and storage conditions.

• Complete appropriate finished-product safety and efficacy assessments.

Pairs Well With

Hyaluronic Acid / Sodium Hyaluronate

For developing hydration-focused vitamin C serums and moisturisers.

Glycerin

A humectant for hydrating serums, gels and creams.

Niacinamide

For multifunctional skincare formulations focused on skin conditioning and uneven-looking tone. Compatibility should be verified in the finished system.

Alpha Arbutin

For brightening formulation concepts, subject to compatibility testing and applicable regulatory requirements.

Disodium EDTA

A chelating ingredient for managing metal-ion interactions in suitable cosmetic systems.

Sodium Citrate / Citric Acid

For developing buffer systems and controlling formulation pH.

Ingredient combinations must be validated for compatibility, stability and finished-product safety. No universal blending ratios are implied.

Claims You Can Make

For your label and marketing

Potential cosmetic claims, subject to appropriate finished-product substantiation:

• Formulated with a vitamin C derivative

• Antioxidant skincare formulation

• Designed for brighter-looking skin

• Supports a radiant-looking complexion

• Developed for uneven-tone skincare

• Vitamin C-powered skincare

Visible-result, clinical-performance and quantified improvement claims require evidence for the finished product.

For your formulator brief

• Water-soluble vitamin C derivative

• Antioxidant activity supported by experimental research

• Investigated for activity on pathways associated with melanin formation

• Relevant for brightening and radiance-focused skincare development

• Suitable for evaluation in aqueous cosmetic systems

• Requires formulation-specific concentration, pH, compatibility and stability validation

Technical Specifications

Additional product-specific technical specifications will be confirmed when supporting documentation becomes available.