Magnesium Ascorbyl Phosphate

MAGNESIUM ASCORBYL PHOSPHATE
INCI Name: Magnesium Ascorbyl Phosphate

CAS Number: 114040-31-2

Product Description
Magnesium Ascorbyl Phosphate (MAP) is a stable, water-soluble form of Vitamin C that delivers powerful antioxidant, brightening, and anti-aging benefits without the irritation often associated with pure ascorbic acid. It helps fade hyperpigmentation, boost collagen production, and protect skin from environmental stressors.

MAP is especially suitable for sensitive skin, acne-prone skin, and mature skin, making it a go-to active in serums, creams, lotions, and eye treatments.

Recommended Use Rate
Leave-on products 1–10%
Rinse-off products Up to 10%
Works best in formulations with pH between 5.0 and 7.0

Add to the water phase or cool-down phase of emulsions

Key Benefits
Brightens uneven skin tone and fades dark spots

Stimulates collagen for firmer, smoother skin

Protects against oxidative damage and photoaging

Soothes inflammation and reduces redness

Gentle and non-irritating for sensitive skin

Formulation Tips
Combine with niacinamide, ferulic acid, or vitamin E for enhanced antioxidant synergy

Use in water-based serums, creams, or gel emulsions

Store in a cool, dry place in an airtight container

Shelf life: 2–3 years if stored properly