Copper Citrate
AKA “Citric acid, copper salt, COPPER CITRATE [WHO-DD], COPPER CITRATE [INCI], 3Propanetricarboxylic acid, 2hydroxy, 3-Propanetricarboxylic acid”
Ingredient
Ingredient Facts
Copper citrate
AKA: Citric acid, Copper salt, COPPER CITRATE [WHO-DD], COPPER CITRATE [INCI], 3Propanetricarboxylic acid, 2hydroxy, 3-Propanetricarboxylic acid
Ingredient · Antimicrobial · EWG: 4
Synthetic
Preservative
Chemical Exfoliant
Not Clean
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, copper salt
Formula
C6H8CuO7+2
Mol. Weight
255.67
CAS #
19807-11-5
Form
Powder
See origin →
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
Traditional Use
Copper compounds have been used in traditional medicine for wound healing and antimicrobial purposes for centuries; copper citrate was developed as a modern cosmetic ingredient to deliver copper's benefits in a stable, bioavailable form.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Citric acid from Aspergillus niger: a comprehensive overv...
Bikash Chandra Behera
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overv...
Bikash Chandra Behera
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overv...
Bikash Chandra Behera
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overview.
Behera BC
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overview.
Behera BC
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overview.
Behera BC
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overview.
Behera BC
Critical reviews in microbiology, 2020
Citric acid from Aspergillus niger: a comprehensive overview.
Behera BC
Critical reviews in microbiology, 2020
Safety Assessment of Citric Acid, Inorganic Citrate Salts, and Alkyl Citrate Esters as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Citric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Copper Citrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Citric Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Safety Assessment of Citric Acid, Inorganic Citrate Salts, and Alkyl Citrate Esters as Used in Cosmetics.
Fiume MM, Heldreth BA, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2014
Safety Assessment of Citric Acid, Inorganic Citrate Salts, and Alkyl Citrate Esters as Used in Cosmetics.
Fiume MM, Heldreth BA, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2014
Safety Assessment of Citric Acid, Inorganic Citrate Salts, and Alkyl Citrate Esters as Used in Cosmetics.
Fiume MM, Heldreth BA, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2014
Safety Assessment of Citric Acid, Inorganic Citrate Salts, and Alkyl Citrate Esters as Used in Cosmetics.
Fiume MM, Heldreth BA, Bergfeld WF, Belsito DV, Hill RA et al.
International journal of toxicology, 2014
Citric acid
Health Canada
Health Canada Cosmetic Ingredient Hotlist
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR