Magnesium Ascorbyl Phosphate (MAP) is a highly stable, water-soluble derivative of Vitamin C (L–Ascorbic Acid). Unlike its pure counterpart, MAP is resistant to oxidation, light, and heat, ensuring a long shelf life. It delivers effective skin brightening by inhibiting melanogenesis, promotes collagen synthesis for anti-aging benefits, and acts as a mild antioxidant, all with a minimal risk of the irritation or sensitization associated with acidic Vitamin C.
| INCI Name | Magnesium Ascorbyl Phosphate |
|---|---|
| CAS No. | 114955-46-9 |
| Source | Synthetic (Vitamin C Derivative) |
| Appearance | White to off-white crystalline powder |
| Core Function | Skin Brightening, Collagen Production, Antioxidant, UV Damage Mitigation, Gentle |
MAP is recognized as one of the most reliable and gentle forms of Vitamin C for cosmetic applications. Its high stability allows for easy formulation into clear, water-based products and emulsions without the risk of yellowing or rapid degradation. It is a preferred active ingredient in products targeting sensitive skin, long-term brightening, and basic anti-aging protection where stability and low irritation are paramount.
Enzymatic Conversion: Once applied to the skin, MAP is hydrolyzed by naturally occurring enzymes (phosphatases), releasing active L–Ascorbic Acid to exert its biological effects.
Melanin Inhibition: The released L–Ascorbic Acid interferes with the tyrosinase enzyme, effectively reducing the formation of melanin and aiding in the reduction of hyperpigmentation.
Collagen Support: Acts as a cofactor, promoting the synthesis of new collagen fibers to improve skin firmness and reduce fine lines.
Antioxidant Action: Provides free radical scavenging to protect skin cells from damage caused by UV and environmental pollution.
| Parameter | Specification (High Purity Grade) |
| Purity | ≥98% |
| Molecular Weight | 451.35 g/mol |
| Recommended Dosage | 1.0%-5.0% |
| Solubility | Highly water soluble |
| Stability | Excellent stability against heat, light, and oxidation |
| Storage | Cool, dark, sealed container, protected from moisture |
Unmatched Stability: Offers a long shelf life and maintains potency, overcoming the major challenge associated with pure L–Ascorbic Acid.
Low Irritation Potential: Delivered at a neutral pH, it is non-acidic and extremely gentle, making it highly suitable for all skin types, including sensitive and reactive skin.
Water Soluble Ease: Simplifies formulation, allowing for integration into various water-based delivery systems like clear serums, toners, and gels.
Dual Benefit: Provides both visible skin brightening and long-term structural support (collagen).
Integration Phase: MAP is a highly water soluble powder and should be dissolved completely in the aqueous phase of the formulation. Moderate mixing is required.
Concentration: Usage ranges from 1.0% for basic antioxidant protection to 3.0%-5.0% for effective brightening and collagen-boosting claims.
pH Control: MAP is most stable between pH 6.0 and 7.0. Formulation within this range ensures maximal stability and gentleness.
Compatibility: Highly compatible with most cosmetic ingredients, including Hyaluronic Acid and Niacinamide, without the reactivity issues of pure L–Ascorbic Acid.
Our quality and safety credentials include:
COSMOS (Natural and Organic Cosmetic Standard)
ISO 9001 Quality Management System
ISO 22000 Food Safety Management System
HALAL Certification
IQNET (The International Certification Network)
Technical Dossier (Certificate of Analysis – COA, Technical Data Sheet – TDS, Material Safety Data Sheet – MSDS)
Gentle Brightening Serums: Ideal for reducing hyperpigmentation and achieving an even skin tone without causing irritation.
Sensitive Skin Anti-Aging: Creams and lotions providing antioxidant defense and collagen support for reactive skin types.
Hydrating Toners & Essences: Water-based formulas requiring a stable, active vitamin.
Post-Sun Care: Used to mitigate free radical damage and soothe sun-exposed skin.
Collagen Expression: Studies confirm that MAP can effectively promote the synthesis of Type I collagen in human fibroblasts.
Tyrosinase Inhibition: In-vitro and in-vivo data show its efficacy in suppressing tyrosinase activity, leading to a visible reduction in melanin production.
Stability Profile: Recognized as having superior stability compared to L–Ascorbic Acid in aqueous solutions, maintaining its integrity over long periods.
A: No. This is a key advantage of MAP. It is stable and best delivered at a neutral pH (6.0-7.0), avoiding the acidity required for L–Ascorbic Acid, which minimizes the risk of irritation.
A: While L–Ascorbic Acid is the most potent form immediately upon application, it degrades rapidly. MAP provides a slow, sustained release of active L–Ascorbic Acid and maintains its efficacy over time, making it superior for long-term stability and continuous benefit.
A: While MAP is highly stable compared to L–Ascorbic Acid, all Vitamin C derivatives are susceptible to degradation over very long periods. Opaque or tinted packaging is still recommended to ensure maximum longevity and protect against extreme light exposure.
Source our ≥98% Purity Magnesium Ascorbyl Phosphate for stable, gentle, superior skin brightening, and reliable collagen-boosting formulations.
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