Magnesium Hydrogen Phosphate

AKA: 7757-86-0, Magnesium phosphate dibasic, Phosphoric acid, Magnesium salt (1:1), Magnesium hydrogenorthophosphate, INS NO.343(II), INS-343(II), E-343(II)
Synthetic
Not Clean
OriginSynthesized from magnesium oxide or magnesium salts and phosphoric acid through chemical reaction. Produced by combining magnesium compounds with phosphate sources under controlled industrial conditions.
Phosphoric acid, magnesium salt (1:1)
Formula
HMgO4P
Mol. Weight
120.28
CAS #
7757-86-0
Form
Powder
State
NKRA
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Anticaking
Anti-Inflammatory
Fights Acne
Antioxidant
Prevents clumping
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2021
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR