Skincare that makes sense. See what's really in your products — in plain English.

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For informational purposes only — not medical advice. Always consult a dermatologist for skin concerns.

MAP

1% line markerAI-analyzed

INCI: MAGNESIUM ASCORBYL PHOSPHATE

antioxidantskin conditioningbrighteningcollagen booster

What it does

A stable, water-soluble derivative of Vitamin C (ascorbic acid) that functions as an antioxidant, skin-brightening agent, and collagen booster. It is often preferred for sensitive skin due to its mildness.

Skin Concerns

Beneficial for

agingsun damagefine lineswrinklesdullnessdark spotshyperpigmentationmelasmauneven tonesaggingsensitivity

Safety & Science

Safety summary

Generally considered safe and well-tolerated, even by sensitive skin. Less prone to oxidation than L-ascorbic acid.

CAS Number

114040-31-2

1% line marker

This ingredient is commonly used as a marker to identify where ingredients drop below 1% concentration on the label.

Found In Products

Related Ingredients

At a Glance

INCI Name: MAGNESIUM ASCORBYL PHOSPHATE
Common Name: MAP
Functions: antioxidant, skin conditioning, brightening, collagen booster
Products: 277 products
CAS Number: 114040-31-2

For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.

MAP — Skincare Ingredient Guide — Dermasift — Dermasift