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Coscare® 3-EAA

1 of 18 products in this brand
Coscare® 3-EAA is a stable Vitamin C derivative with excellent skin brightening activity. Its chemical structure is unique in that the ethyl group forms ether with the 3-hydroxyl group of the ascorbic acid, which results in much higher stability. Other commercialized ascorbic acid derivatives are ethers at the 2-hydroxyl position.

INCI Name: 3-O-Ethyl Ascorbic Acid

Functions: Anti-Aging Agent, Anti-Inflammatory, Antioxidant, Brightening Agent, Scavenger

Labeling Claims: Credo Clean Standard, Ulta Beauty's Conscious Beauty

Benefit Claims: Age & Dark Spot Reduction, Anti-Aging, Anti-Inflammatory, Antioxidant Properties, Collagen Boosting, Complexion, Free Radical Scavenging, Improves Skin Elasticity, Skin Whitening

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Vitamin Type
CAS No.
86404-04-8
Molecular Formula

C₈H₁₂O₆

Structural Formula

Coscare® 3-EAA - Structural Formula

Features & Benefits

Product Highlights
  • Inhibits the activity of Tyrosinase, prevents the synthesis of Melanin.
  • Promotes the synthesis of Collagen, improves the complexion and elasticity of skin.
  • Strong anti-oxidation capacity, can effectively scavenges free radicals.
  • Regulates immunity, resists inflammation.

Applications & Uses

Application Format
Use Level
0.1 - 3.0 %
Recommended Uses & Known Applications
  • Whitening agent, antioxidant, anti-wrinkle agent, anti-inflammatory agent.
  • Used in whitening/anti-spot products, anti-aging products.
  • Suitable for lotion, gel, essence, emulsion and cream, etc.
Usage Guideline

Dissolve evenly in deionized water at about 50˚C.

Properties

Physical Form
Odor
Characteristic
Appearance
White to off-white
Typical Properties
ValueUnitsTest Method / Conditions
Arsenic Contentmax. 2mg/kg
Cadmium Contentmax. 5mg/kg
Lead Contentmax. 5mg/kg
Loss on Dryingmax. 1.0%
Melting Point112 – 115˚C
Mercury Contentmax. 1mg/kg
pH3.0 – 4.5
Purity (HPLC)min. 99.0%
Residue on Ignitionmax. 0.1%
Total bacteriamax. 100CFU/g
Hgmax. 1mg/kg
Asmax. 2mg/kg
Pbmax. 5mg/kg
Cdmax. 5mg/kg

Packaging & Availability

Packaging Information

1.0 kg/ bag, 10 bags/ carton.

Storage & Handling

Shelf Life
2 Years
Storage and Handling

Store at room temperature, keep sealed and away from light.