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Water-soluble Vitamin C derivative whitening agent Magnesium Ascorbyl Phosphate

Cosmate®MAP,Magnesium Ascorbyl Phosphate,MAP, Magnesium L-Ascorbic Acid-2-Phosphate, Vitamin C Magnesium Phosphate,is a salt form of Vitamin C that is used in skincare products for its ability to protect the skin from free radicals, stimulate collagen production, reduce hyperpigmentation, and maintain skin hydration. Magnesium ascorbyl phosphate is considered to be a stable and effective antioxidant for the skin and usually comes in concentrations around 5%. It has a neutral or skin neutral pH which makes it easy to formulate with and reduces the likelihood of sensitivity and irritation. Magnesium ascorbyl phosphate functions as an antioxidant. Like other antioxidants, it is capable of protecting the skin from free radicals. Specifically, magnesium ascorbyl phosphate donates electrons to neutralize free radicals such as the superoxide ion and peroxide that are generated when the skin is exposed to UV light. Cosmate®MAP is classified in general as a salt and is commonly used in the treatment of Vitamin C deficiency signs and symptoms. Although Magnesium Ascorbyl Phosphate is widely used in the treatment and prevention of various skin health conditions, modern studies show that it may provide many other benefits due to its antioxidant effects,also used to make health products containing magnesium ascorbyl phosphate supplements.When taken in the form of health supplements, Magnesium Ascorbyl Phosphate is believed to help enhance body’s detoxification process, thereby cleansing body cells from damaging toxic compounds and preventing development of toxin-associated disorders. It is also believed that Magnesium Ascorbyl Phosphate supplementation may enhance wellness by activating several patterns and processes in the human body.

Technical Parameters:
Appearance White to pale yellow powder
Assay 98.50% max.
Loss on Drying 20% max.
Heavy metals(Pb)

0.001% max.


0.0002% max.

pH Value(3% aqueous solution)


Color of solution(APHA) 70max
Free ascorbic acid 0.5%max.
Specific Optical Rotaion +43°~ +50°
Free Phosphoric acid 1% max.
Chloride 0.35%max.
Total aerobic counts 1,000CFU/g max.


*Whitening Agent

*Synergistic effects with vitamin E

*Diminish Fine Lines and Wrinkles

*Suncare and after-sun products.

*Skin lightening products

*Anti aging products  *Creams and lotions