3-O-Ethyl Ascorbic Acid

The Ultimate 100% Farnesol-Free 3-O-Ethyl Ascorbic Acid (EAA): Custom-Engineered for Extremely Sensitive Skin & Zero Sensitization

Clinically proven to reduce skin sensitivity markers by 40% within 48 hours, while rapidly converting into active L-Ascorbic Acid upon penetration to significantly inhibit tyrosinase activity and stimulate new collagen synthesis for measurable, non-irritating brightening.

In the advanced landscape of clinical skin brightening and hyperpigmentation correction, delivering the gold-standard efficacy of pure Vitamin C without the notorious instability, rapid oxidation, or severe surface irritation is the ultimate formulation challenge. As a specialized high-purity cosmetic active ingredient manufacturer, Shaanxi Huatai Bio-Fine Chemicals Co. delivers a premium 3-O-Ethyl Ascorbic Acid (EAA) rigorously engineered to completely remove residual impurities. Built to be 100% farnesol-free, it establishes a flawless safety profile that eradicates the risk of ingredient-induced sensitization. By protecting the hydroxyl group with an ethyl ether at the C-3 position, this ultra-pure, amphiphilic derivative provides superior thermal and photo-stability, delivering professional-grade collagen boosting and melasma reduction for even the most hyper-reactive, sensitive skin.

Unlocking Unmatched Business Value

For Global OEM/ODM Innovators: Achieve ultimate formulation elegance and extreme compatibility. Our highly purified EAA is amphiphilic (dual solubility in both water and oil), engineered to yield a highly refined, crystal-clear, water-white, and entirely odorless profile in your final delivery systems. It ensures zero unintended formula discoloration and guarantees it will never compromise the precise color, transparency, or aesthetic of your final advanced serums or clear toners. Exceptionally stable across a wide pH range of 3.0 to 6.0, it completely eliminates the manufacturing friction, rapid yellowing, and efficacy loss typically associated with standard L-Ascorbic Acid for your large-batch R&D production.

For High-End Beauty Brands: Elevate your market positioning and clinical claims. This ultra-pure, high-bioconversion active is the signature choice for strict “Clean Beauty” mandates and highly tolerable “SOS Emergency Repair” brightening formulations. Empower your brand to market “Advanced Pigmentation Correction,” “Stable Vitamin C Defense,” and intense photoaging reversal without the stinging or erythema linked to low-pH acid treatments. Capture the fierce loyalty of consumers demanding highly potent, non-sensitizing clinical solutions that deliver flawless translucency, profound dermal support, and intense tissue calming.

Product Overview & Core Specifications

• Appearance: High-purity crystalline powder (yields a refined, clear, and colorless water-white profile in final cosmetic solutions)

• Odor: Odorless (scent neutral for absolute formulation control)

• Purity: ≥ 98.0% (Maximum bio-conversion and tyrosinase inhibition)

• Molecular Weight: 248.2 g/mol

• Heavy Metals: < 10 ppm

• Recommended Dosage: 0.5% – 3.0% (0.5% for general brightening; up to 3.0% for intensive pigmentation correction)

• pH Range Stability: Highly stable across a wide pH range of 3.0 – 6.0

• Processing Guidelines: Amphiphilic (Water and Oil soluble). Can be dissolved directly into the aqueous phase or pre-dissolved in a small amount of glycol or ethanol and added before or after emulsification.

Ready-to-Use Solutions: The Golden Synergies

Provide your R&D laboratory with an instant blueprint for market success. Our 3-O-Ethyl Ascorbic Acid acts as a supreme biological brightening engine, protecting and amplifying the restorative efficacy of companion actives:

• 3-O-Ethyl Ascorbic Acid + Allantoin: The ultimate post-blemish clearing and cellular soothing matrix. Combines the targeted melanin suppression and collagen synthesis of EAA with the water-soluble wound-healing properties of Allantoin to rapidly fade post-inflammatory hyperpigmentation, clear micro-traumas, and instantly soothe hyper-reactive skin without acidic stinging.

• 3-O-Ethyl Ascorbic Acid + Panthenol: A comprehensive “SOS Barrier Rescue” and luminous hydration system. Panthenol floods the stratum corneum with deep, targeted moisture, creating a healthy, non-reactive environment that allows EAA to effectively penetrate lipid and aqueous skin layers, releasing active Vitamin C where it is needed most without triggering tightness or peeling.

• 3-O-Ethyl Ascorbic Acid + Ceramide NP: The absolute structural longevity and “Clean Beauty Radiance” complex. While EAA works fundamentally from within the dermis to scavenge free radicals and stabilize new collagen fibers, Ceramide NP safely and physically rebuilds the skin’s depleted lipid cement on the surface, ensuring a resilient, brightly illuminated, and perfectly defended skin barrier.

Uncompromising Quality Assurance

Formulate with absolute regulatory confidence. We strictly adhere to global cosmetic safety benchmarks, ensuring our active ingredients pass the most stringent toxicological assessments. Our state-of-the-art manufacturing facility operates under the highest global standards, fully certified by:

• ISO9001

• ISO22000

• COSMOS

• HALAL

• IQNET

Every batch is supported by a comprehensive technical dossier to streamline your global compliance, supply chain transparency, and regulatory filing processes.

Upgrade Your Next Bestseller Today

Stop compromising on formula stability, rapidly oxidizing Vitamin C, and ingredient-induced irritation. Protect your consumers and elevate your product lines with the global standard in highly stable, non-sensitizing brightening actives.

Claim your High-Purity, Odorless Sample Now and upgrade your next blockbuster SOS repair formula! Contact our technical sales team immediately to secure your free lab sample, request a customized bulk quote, and access the full Technical Dossier (TDS, MSDS, COA, and Clinical Efficacy Reports).