Magnesium Ascorbyl Phosphate (MAP)

AntioxidantBrightening

INCI: Magnesium Ascorbyl Phosphate

In short · TL;DR

Category

Brightening

Effect

Water-soluble vit C derivative, stable, low irritation. MHLW-approved quasi-drug active ingredient (brightening)

Concentration

1-10% (pH 7-8.5)

Effect

Water-soluble vit C derivative, stable, low irritation. MHLW-approved quasi-drug active ingredient (brightening)

Mechanism

Phosphatase converts to active form, inhibits melanogenesis

Typical concentration

1-10% (pH 7-8.5)

Onset

8 weeks for brightening

Cautions

Alkaline formulation preferred

Evidence & references

Kameyama et al., J. Am. Acad. Dermatol. 1996

This page is reference information and does not guarantee efficacy. Figures vary by test conditions (in vitro / manufacturer / concentration). It does not indicate pharmaceutical efficacy.

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