Ingredient glossary
Magnesium Ascorbyl Phosphate
INCI: Magnesium Ascorbyl Phosphate · Also: MAP, L-Ascorbic Acid Magnesium Phosphate
Solid and proven
Does Magnesium Ascorbyl Phosphate clash with what you already use? Check it →A genuinely useful ingredient with real evidence behind it, not hype.
What it does
- brightening
- antioxidant
moderate evidenceClinical trials using five percent in combination with nicotinamide and hyaluronic acid show melasma improvement but isolate data for monotherapy remain limited.
On a label: usually effective at 3-10%.
Who it's for, and who should skip it
Tends to suit
- normal
- combo
- oily
- pigmentation
- sensitive
Approach with care
No specific group flagged to avoid it.
- Clogs poresLow
- Irritation riskLow
- pH-dependentIts effect depends on the product's pH
Plays well with
- niacinamide
- hyaluronic acid
- sunscreens
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Educational information about a cosmetic ingredient, not medical advice.