Product Description

Potassium Ascorbate Powder is a high-purity, water-soluble vitamin C derivative refined for cosmetic and personal care applications. It is a premium cosmetic-grade raw material, well-known for excellent antioxidant activity, brightening performance and mild skin-friendly properties. It effectively neutralizes free radicals on the skin surface, inhibits melanin deposition, and improves dull and uneven skin tone for radiant, translucent complexion. With superior stability compared to pure ascorbic acid, it avoids easy oxidation and discoloration in formulas.

It has excellent formulation compatibility, works perfectly with most common cosmetic ingredients, and can be widely used in brightening serums, moisturizing creams, lotions, sunscreens and daily skincare products.

COA

Items	Specifications	Test Results
Appearance	White to off-white crystalline powder	Complies
Odor	Odorless or slight characteristic odor	Complies
Loss on Drying	≤5.0%	2.15%
Assay	≥98.0 %	99.21%
Heavy Metal Total	≤10.0mg/kg	Complies
Lead (Pb)	≤2.0mg/kg	Complies
Arsenic (As)	≤2.0mg/kg	Complies
Mercury (Hg)	≤1.0mg/kg	Complies
Microbiology
Total Plate Count	≤1000cfu/g	<10cfu/g
Yeast & Moulds	≤100cfu/g	<10cfu/g
E.Coli, Pseudomonas, Staphylococcus	Negative	Negative

Functions and Effects

★Powerful antioxidant & free radical scavenging performance

Neutralizes skin free radicals effectively, inhibits oxidative damage, slows down skin aging and prevents formula discoloration.

★Gentle brightening & tone-evening capacity

Suppresses abnormal melanin formation, fades dull complexion, brings luminous skin with low irritation compared with pure vitamin C.

★Good water solubility & wide formula compatibility

Easily dissolved in water phase, compatible with most humectants and skincare actives, stable within pH 5.0-7.0 cosmetic systems.

Application Fields

It is widely incorporated into brightening serums, moisturizing lotions, facial creams, sunscreen and mask products with recommended dosage 0.5%-5.0%; it can be compounded with hyaluronic acid, panthenol, plant extracts and other antioxidants to amplify free radical scavenging, brighten dull skin and maintain system stability.

It blocks excessive melanin generation to even out skin tone and restore radiant complexion. It shows excellent water solubility and delivers stable performance within pH 5.0-7.0. As a gentle vitamin C derivative, it causes far less skin irritation than pure L-ascorbic acid, friendly for sensitive skin formulations. It also helps reduce oxidative stress triggered by UV exposure, protecting skin from premature photoaging.