Magnesium Hydrogen Phosphate
AKA “Magnesium phosphate dibasic, Phosphoric acid, magnesium salt (1:1), Magnesium hydrogenorthophosphate, INS NO.343(II), INS-343(II), E-343(II)”
Synthetic
Ingredient Facts
Magnesium hydrogen phosphate
AKA: Magnesium phosphate dibasic, Phosphoric acid, Magnesium salt (1:1), Magnesium hydrogenorthophosphate, INS NO.343(II), INS-343(II), E-343(II)
Synthetic · Anticaking · EWG: 4
Synthetic
Synthetic
Clean
Keeps powder products from clumping, ensuring smooth, even application every time.
Formula
HMgO4P
Mol. Weight
120.28
CAS #
7757-86-0
Form
Powder
State
NKRA
See origin →
Functions
Anticaking
Buffering
pH Regulator
Absorbent
Anti-Inflammatory
Fights Acne
Antioxidant
Protects skin from free radical damage caused by UV, pollution, and stress
Prevents clumping
Traditional Use
A modern mineral compound developed in the 20th century for use as a buffering agent and anti-caking ingredient in cosmetics and pharmaceuticals. No significant traditional use exists for this synthetic salt.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR