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introduction
Magnesium Ascorbyl Phosphate Vitamin C is a stable derivative made from natural vitamin C (phosphorylated and then reacted with magnesium oxide). It is commonly used in cosmetics and personal care products, especially in whitening, antioxidant, and anti-aging skin care products.
Specification
Analysis Items |
Specification |
Result |
Assay,(%) |
≥95% |
98.6% |
Appearance |
White or pale yellowish powder |
Conform |
PH value(3% aqueous) |
7.5-8.5 |
7.8 |
Water |
≤29 |
Conform |
Ash,(%) |
<0.0002 |
<0.0001 |
Free ascorbic acid,(%) |
≤0.5 |
<0.5 |
Free phosphoric acid,(%) |
≤1.0 |
<1.0 |
Chloride,(%) |
≤0.35 |
<0.35 |
Heavy metals |
<10ppm |
Conform |
Total aerobic count(cfu/g) |
<100 |
Conform |
Conclusion: Conform to Specification |
Reference Dosage
Product |
Reference Dosage |
Magnesium Ascorbyl Phosphate 98% |
≤3.0% |
feature
High stability
The phosphate group is introduced into the structure of Magnesium Ascorbyl Phosphate Vitamin C, which can form a stable bond with the molecular hydroxyl of vitamin C, so that it can remain active in an oxidative environment. The purity of MAP is as high as 98.6%, and the free vitamin C content is less than 0.5%. It can be long-term and stable in a water-based system.
High water solubility
MAP is a hydrophilic inorganic salt substance that can be completely dissolved in water. Its solubility is much higher than that of natural vitamin C. It is suitable for addition to various aqueous or emulsified cosmetics such as essences, emulsions, and sprays.
High safety
Magnesium Ascorbyl Phosphate Vitamin C does not contain harmful residues, heavy metal content <10ppm, and total colony count <100cfu/g, free phosphate content is less than 1%. MAP has been included in the "International Standard Chinese Name Catalog of Cosmetic Raw Materials (2010 Edition)" by the China Food and Drug Administration, and is recognized by the regulations of the Japanese and Taiwanese markets. The limited concentration is ≤3.0%, and it is extremely safe to use within the specified range.
function
Whitening and brightening skin
Magnesium Ascorbyl Phosphate Vitamin C inhibits the activity of tyrosinase, blocks the melanin synthesis pathway, and improves problems such as spots and uneven skin color. At a concentration of 3%, it can reduce melanin production by more than 45%, significantly better than most ordinary antioxidants.
Strong antioxidant capacity
As a derivative form of vitamin C, Magnesium Ascorbyl Phosphate Vitamin C has excellent ability to efficiently neutralize free radicals, prevent skin aging, dullness, and collagen loss caused by environmental oxidative stress, and long-term use can significantly improve skin condition.
Promote collagen synthesis
MAP can stimulate the activity of dermal fibroblasts. When used at a concentration of 2.5%, collagen I The synthesis of vitamin C increases by about 39%, which helps reduce fine lines and wrinkles and enhance skin firmness.
Soothing and anti-inflammatory
Magnesium Ascorbyl Phosphate Vitamin C can effectively inhibit the release of inflammatory factors such as IL-6 and TNF-α, and relieve skin redness and discomfort caused by environmental stimulation and ultraviolet rays.
Quality Certification
Welcome To Contact Us
For thirteen years,ZHENYIBIO has been focusing on Whitening ingredient. As a professional manufacturer of Magnesium Ascorbyl Phosphate Vitamin C, we continuously improve production processes and strengthen cooperative services.
Phone Number
(86)-0153 0920 6328
alexxue@zhenyibio.com

why choose us
Rich In Experience
With 13 years of export experience, established cooperation with over 40 countries.
Customer Recognition
High recognition from over 600 customers.
Large scale
A production area of 10,000 square meters and an R&D center covering 1,500 square meters.
Exceptionally Powerful
ISO22000, ISO9000, KOSHER, HALAL, Production license.
FAQ
Q: What is Magnesium Ascorbyl Phosphate Vitamin C and what is it used for?
A: Magnesium Ascorbyl Phosphate Vitamin C (MAP) is a stable, water-soluble derivative of Vitamin C, produced by the phosphorylation of ascorbic acid followed by reaction with magnesium oxide. It is mainly used in cosmetics for whitening, antioxidant protection, collagen synthesis, and anti-aging skincare. As a direct manufacturer, we offer high-purity MAP suitable for various formulations.
Q: Is Magnesium Ascorbyl Phosphate Vitamin C better than pure Vitamin C?
A: Yes. Compared to pure ascorbic acid, Magnesium Ascorbyl Phosphate Vitamin C is significantly more stable under light, heat, and air exposure. Its phosphate group protects the core Vitamin C structure, maintaining efficacy over time. Our MAP achieves >98% assay and meets international standards for premium cosmetics applications.
Q: What is the typical price of Magnesium Ascorbyl Phosphate Vitamin C?
A: The price of Magnesium Ascorbyl Phosphate Vitamin C varies depending on order quantity, purity level, and packaging requirements. As a professional MAP manufacturer and supplier, we offer competitive pricing directly from our factory, eliminating unnecessary distribution costs. Please contact us for a tailored quotation.
Q: How does Magnesium Ascorbyl Phosphate Vitamin C work in skincare products?
A: MAP functions by inhibiting tyrosinase, which reduces melanin formation, delivering a visible whitening effect. Additionally, it acts as a powerful antioxidant and promotes collagen production.
Q: Is Magnesium Ascorbyl Phosphate Vitamin C safe for sensitive skin?
A: Magnesium Ascorbyl Phosphate Vitamin C has a neutral pH (around 7.8 in 3% aqueous solution) and is gentle on the skin. It is well-tolerated even by sensitive skin types. Our MAP meets all key safety parameters, including <10ppm heavy metals and <100cfu/g microbial count.
Q: Can I buy Magnesium Ascorbyl Phosphate Vitamin C in bulk directly from the factory?
A: Yes, you can buy directly from us. We are the original MAP factory and bulk manufacturer with the capacity to supply high-quality material at scale. Whether for cosmetic brands, formulation labs, or raw material traders, we provide reliable supply and consistent quality.
Q: What is the recommended dosage of Magnesium Ascorbyl Phosphate Vitamin C in cosmetics?
A: The standard usage level of MAP in skincare products ranges from 0.5% to 3.0%. It is widely used in whitening serums, creams, lotions, sunscreens, and eye care products. As your trusted MAP supplier, we provide technical support for formulation optimization.
Q: Is your Magnesium Ascorbyl Phosphate Vitamin C compliant with cosmetic regulations?
A: Yes. Our MAP complies with cosmetic ingredient standards in China, the EU, Japan, and the United States. It is listed in the International Cosmetic Ingredient Dictionary and accepted by CFDA, REACH, and other authorities. Certificates of analysis and regulatory documentation are available upon request.
Q: What are the solubility and formulation characteristics of Magnesium Ascorbyl Phosphate Vitamin C?
A: Magnesium Ascorbyl Phosphate Vitamin C is highly soluble in water and easily incorporated into aqueous and emulsified cosmetic formulations. It remains stable in neutral pH conditions and does not degrade rapidly like pure Vitamin C.
Q: Why choose your company as a supplier of Magnesium Ascorbyl Phosphate Vitamin C?
A: As a dedicated MAP manufacturer and supplier, we offer consistent quality, full traceability, and competitive factory prices. Our in-house R&D and QC teams ensure every batch meets or exceeds global standards. We also provide formulation guidance and export-ready documentation for global clients.
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