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
Chemical Exfoliant
Clean
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
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
Traditional Use
A modern chelated form of magnesium developed to improve bioavailability; combines magnesium with citric acid (from traditional citrus ingredients) for enhanced absorption in skincare formulations.
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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.
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR