Magnesium Citrate

AKA: Trimagnesium dicitrate, 3344-18-1, Trimagnesium citrate, Magnesium dicitrate, Citric acid, Magnesium salt (2:3), 1, 2, 3-Propanetricarboxylic acid, CITRAMAG
Synthetic
Skin Conditioner
Hair Care
Clean
OriginProduced from magnesium oxide or magnesium hydroxide combined with citric acid through acid-base neutralization. The resulting magnesium citrate salt is synthesized, purified, and typically spray-dried into powder form for cosmetic use.
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, magnesium salt
Solubility Partially soluble in cold water
Formula
C12H10Mg3O14
Mol. Weight
451.12
CAS #
7779-25-1
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks in moisture
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
Leave-on0.01–2%
Rinse-off0.5%
0%50%100%
CIR reported use · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR