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CAS No.:
Place of Origin:
China (Mainland)
95% MIN
Cosmetic Raw Materials
Brand Name:


a) Stable and Water Soluble Vitamin C Derivative
b) Skin Lightening

MAP SL (Magnesium ascorbyl phosphate ) is a stable, water soluble vitamin C derivative. Vitamin C has been well-known for its inhibitory effects on melanin formation, but it has not been widely used for this function due to its instability in formulations. A number of vitamin C derivatives such as ascorbyl palmitate or ascorbyl stearate, have been used for 20 years as primary depigmenting materials, however, these conventional vitamin C derivatives can destabilize formulations, and magnesium ascorbyl phosphate now replaces other ascorbates in most products.



Water Solubility: MAP SL is completely water soluble and easily absorbed through the skin. Its water-solubility offers the formulator with formulating flexibility.

Stability: MAP SL is much more stable to heat and light than vitamin C. Experimental data showed that 3% aqueous solution of MAP SL maintained 90% of its activity after 6 months of storage in 40 water bath.

Skin Lightening/Beatifying Effects: MAP SL exhibits a strong skin lightening effects which was shown useful in clinical practice. It has strong inhibitory effects on melanin formation therefore resulting in beautified, even-toned skin.

Radical Scavenger: Once absorbed into the skin, MAP SL can act as a radical scavenger to eliminate radicals and remove the signs of wrinkles and aging.

Synergistic with Vitamin E: MAP SL works synergistically with Vitamin E. Stable Formulation: Unlike other skin lightening agents such as hydroquinone, MAP SL is stable without color change problems.

Safety: MAP SL is very safe with no toxicity and irritation.


Application: All cosmetic and personal care products.


Use Levels: Creams: 1~10%; Lotions: 0.5~3%.

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Sino Lion (USA), Ltd. (called "Sino Lion" hereafter) is a member of Shandong Zhongshi International Group. It was founded in 1993 in New York State, USA. Sino Lion develops, manufactures, and markets, independently or jointly with its sister companies or subsidiaries, innovative and technology-based high performance functional ingredients, fine chemicals, bulk drug actives, and natural active products to service cosmetic, personal care, health food, pharmaceutical and other related industries ... View detail

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Number of Employees: 101 - 200 People  

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Unverified Supplier - Sino Lion (USA), Ltd
United States | Contact Details
Experience: Established 1993

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Ms. Helen Liu
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