Calcium Citrate
AKA “813-94-5, Tricalcium dicitrate, Acicontral, TRICALCIUM CITRATE, Calcitrate, Citrical, Calcium citrate, tribasic, Citracal, Tribasic calcium citrate”
Ingredient
Ingredient Facts
Calcium citrate
AKA: 813-94-5, Tricalcium dicitrate, Acicontral, TRICALCIUM CITRATE, Calcitrate, Citrical, Tribasic, Citracal, Tribasic calcium citrate
Ingredient · Buffering · EWG: 1
Synthetic
Chemical Exfoliant
Clean
1,2,3-Propanetricarboxylic acid, 2-hydroxy-, calcium salt (2:3)
Solubility White powder, odorless. Insol in alcohol. Loses most of its water @ 100 °C and all @ 120 °C /Tetrahydrate/
Formula
C12H10Ca3O14
Mol. Weight
498.40
CAS #
813-94-5
Form
Powder
State
Fine white powder
See origin →
Functions
Buffering
Stabilizes pH
Antioxidant Protection
Reduces Inflammation
Locks In Moisture
Traditional Use
Citric acid from citrus has been used for centuries in skincare; calcium citrate is a modern chelating and pH-buffering form developed for contemporary cosmetic formulations.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Calcium Citrate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Anticaries effect of dentifrices with calcium citrate and sodium trimetaphosphate.
Delbem AC, Bergamaschi M, Rodrigues E, Sassaki KT, Vieira AE et al.
Journal of applied oral science : revista FOB, 2012
Calcium Citrate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR