Ethyl Ascorbic Acid Powder is a highly functional, oil- and water-compatible derivative of Vitamin C designed for modern cosmetic and personal-care formulations. It is commonly known as 3-O-Ethyl Ascorbic Acid (3-O-Ethyl Ascorbic Acid) and is valued for its stability compared with conventional L-Ascorbic Acid.
This advanced Vitamin C derivative is used in cosmetic formulations focused on skin brightening, antioxidant care, complexion enhancement and overall skin conditioning. Its improved stability makes it a popular choice for serums, creams, lotions, gels, masks and other targeted skincare products.
Ethyl Ascorbic Acid can be incorporated into a variety of cosmetic systems and is particularly suitable for formulations where formulators want to include a Vitamin C derivative while working to maintain product stability.
INCI Name
3-O-Ethyl Ascorbic Acid
Common Names
- Ethyl Ascorbic Acid
- 3-O-Ethyl Ascorbic Acid
- Ethyl Vitamin C
- Vitamin C Derivative
- EAA
- 3-O-Ethyl-L-Ascorbic Acid
CAS Number
86404-04-8
Product Type
Cosmetic Active / Vitamin C Derivative / Antioxidant Ingredient
Physical Form
White to off-white powder
Key Features & Benefits
- Advanced Vitamin C derivative
- Designed for modern cosmetic formulations
- Supports brighter-looking and more even-looking skin
- Provides antioxidant functionality
- Helps improve the appearance of dull skin
- Suitable for complexion-focused formulations
- More formulation-stable than conventional L-Ascorbic Acid under suitable conditions
- Suitable for water-based cosmetic systems
- Useful in serums, creams, lotions and gels
- Suitable for facial and body-care formulations
- Can be incorporated into targeted skincare products
- Powder form allows convenient formulation and storage
- Suitable for premium cosmetic formulations
- Compatible with a wide range of skincare ingredients when appropriately formulated
Cosmetic Benefits
Brightening & Even-Looking Skin
Ethyl Ascorbic Acid is widely used in cosmetic formulations designed to improve the appearance of dull or uneven-looking skin and promote a more radiant complexion.
Antioxidant Care
As a Vitamin C derivative, Ethyl Ascorbic Acid is used in antioxidant-oriented skincare formulations designed to help protect the skin from oxidative stress caused by environmental factors.
Radiance Enhancement
It can be incorporated into formulations targeting a fresh, luminous and healthy-looking complexion.
Skin Conditioning
Ethyl Ascorbic Acid can support overall skin-conditioning formulations and is frequently used alongside moisturizing and soothing ingredients.
Skin Care Applications
Ethyl Ascorbic Acid Powder is suitable for:
- Vitamin C Serums
- Brightening Serums
- Facial Serums
- Anti-Dullness Serums
- Moisturizing Creams
- Face Creams
- Brightening Creams
- Facial Lotions
- Gel Creams
- Facial Gels
- Face Masks
- Spot-Care Cosmetic Products
- Eye-Care Formulations
- Body Lotions
- Body Creams
- Hand Creams
- Sunscreen Support Formulations
- After-Sun Cosmetic Products
Suitable Product Types
Serums
Ideal for lightweight Vitamin C and brightening serum formulations.
Creams & Lotions
Can be incorporated into daily skincare creams and lotions designed for complexion care.
Gels
Suitable for lightweight water-based and gel-based skincare products.
Masks
Can be used in cosmetic face-mask formulations targeting radiance and skin appearance.
Body Care
Suitable for body lotions, creams and other formulations designed to improve the appearance of uneven or dull-looking skin.
Formulation Advantages
Stable Vitamin C Derivative
Ethyl Ascorbic Acid is designed to offer improved formulation stability compared with pure L-Ascorbic Acid under appropriate formulation conditions.
Cosmetic Versatility
It can be incorporated into different cosmetic formats, including serums, creams, lotions and gels.
Powder Form
The powder format allows formulators to accurately weigh and incorporate the active ingredient during manufacturing.
Premium Skincare Positioning
Ethyl Ascorbic Acid is particularly attractive for advanced skincare products marketed around Vitamin C, radiance and antioxidant care.
Recommended Usage
The recommended concentration depends on the raw-material grade, formulation type, desired performance and supplier specification.
A commonly used cosmetic formulation range is approximately:
0.5% – 3.0%
Higher or lower concentrations may be used depending on the specific formulation and supplier recommendations.
Important: Always follow the current supplier TDS/COA for the exact material being purchased and conduct formulation testing before commercial production.
How to Use
Ethyl Ascorbic Acid Powder should be incorporated according to the formulation procedure and supplier recommendations.
General Formulation Procedure
- Accurately weigh the required quantity of Ethyl Ascorbic Acid.
- Pre-dissolve or disperse it in a suitable formulation phase.
- Add to the formulation under controlled mixing.
- Avoid unnecessarily prolonged exposure to high temperatures.
- Check and adjust the final formulation pH as required.
- Evaluate the finished product for colour, stability, compatibility and performance.
For best results, the active should be incorporated under controlled processing conditions and protected from excessive heat, light and unsuitable pH conditions.
Formulation Considerations
pH
The final formulation pH should be selected according to the complete ingredient system and the supplier’s technical recommendations.
Avoid assuming that the pH requirements of pure L-Ascorbic Acid are identical to those of Ethyl Ascorbic Acid.
Light & Oxidation
Although Ethyl Ascorbic Acid offers improved stability compared with conventional Vitamin C, appropriate packaging and formulation practices are still recommended.
Consider:
- Light-protective packaging
- Appropriate antioxidants where required
- Controlled processing
- Proper storage
- Minimizing unnecessary exposure to air and heat
Compatibility
Compatibility should be evaluated with:
- Niacinamide
- Hyaluronic Acid
- Alpha Arbutin
- Tranexamic Acid
- Licorice Extract
- Ferulic Acid
- Vitamin E
- Other Antioxidants
- Botanical Extracts
- Humectants
- Moisturizers
Actual compatibility depends on the complete formulation, concentration, pH and processing conditions.
Product Information
| Parameter | Details |
|---|---|
| Product Name | Ethyl Ascorbic Acid Powder |
| Common Name | 3-O-Ethyl Ascorbic Acid |
| INCI Name | 3-O-Ethyl Ascorbic Acid |
| CAS Number | 86404-04-8 |
| Product Type | Cosmetic Active |
| Ingredient Class | Vitamin C Derivative |
| Primary Functions | Antioxidant, Skin Conditioning, Brightening |
| Physical Form | Powder |
| Appearance | White to Off-White |
| Solubility | Water-compatible; formulation dependent |
| Application | Skin Care & Personal Care |
| Typical Use Level | Approx. 0.5–3%, formulation dependent |
| Recommended Product Types | Serums, Creams, Lotions, Gels, Masks |
| Storage | Cool, dry and protected from light |
| Packaging | As supplied by manufacturer/supplier |
Storage
- Store in a cool, dry location.
- Keep the container tightly closed.
- Protect from direct sunlight.
- Protect from moisture and humidity.
- Minimize prolonged exposure to air.
- Avoid excessive heat.
- Use clean and dry utensils during handling.
- Follow the exact storage conditions specified in the supplier’s SDS/TDS
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