Copper Citrate

AKA: Citric acid, Copper salt, COPPER CITRATE [WHO-DD], COPPER CITRATE [INCI], 3Propanetricarboxylic acid, 2hydroxy, 3-Propanetricarboxylic acid
Synthetic
Preservative
Not Clean
OriginCopper citrate is synthesized from copper salts and citric acid, both commercially produced chemicals. It is produced through the neutralization reaction of copper compounds with citric acid in aqueous solution.
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, copper salt
Formula
C6H8CuO7+2
Mol. Weight
255.67
CAS #
19807-11-5
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Fights Bacteria
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
Caution
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2014
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR