Magnesium Ascorbyl Phosphate

Magnesium Ascorbyl Phosphate (MAP) is a stable, water-soluble derivative of Vitamin C. It functions as an antioxidant, helping to protect the skin from environmental damage. MAP can also contribute to brightening the skin tone and supporting collagen production, making it a gentler alternative to L-Ascorbic Acid for sensitive skin.

BenefitGood 2.8 / 4

Pigmentation i2.5 / 4

Whether it can help uneven tone, dark spots, melasma-like discoloration, or post-inflammatory hyperpigmentation — including brightening and tyrosinase-inhibiting ingredients.

Uv protection i2 / 4

Whether it provides direct protection against UV radiation.

Texture i1.5 / 4

Whether it can improve smoothness and surface texture — roughness, flaking, clogged pores, or unevenness. Exfoliating acids, retinoids, and smoothing moisturizers may score here.

Soothing i1 / 4

Whether it can calm the skin — linked to less redness, irritation, discomfort, or visible reactivity.

RiskVery low 0 / 4

Rated by SpottyLabs' ingredient methodology, independent of brands.

What it helps with

• Antioxidant protection
• Brightens skin tone
• Supports collagen synthesis
• Gentle on sensitive skin

Pairs well with

• Vitamin E — Vitamin E can enhance the antioxidant efficacy of Vitamin C derivatives.
• Ferulic Acid — Ferulic acid can stabilize Vitamin C and boost its photoprotective benefits.

Frequently asked questions

What is Magnesium Ascorbyl Phosphate?

Magnesium Ascorbyl Phosphate (MAP) is a stable form of Vitamin C that is water-soluble and less irritating than L-Ascorbic Acid. It offers antioxidant benefits and can help improve skin tone.

How does MAP benefit the skin?

MAP acts as an antioxidant, protecting skin from free radical damage. It also helps to brighten the complexion, reduce the appearance of hyperpigmentation, and supports collagen production for firmer-looking skin.