Calcium Potassium Sodium Phosphate
AKA “Phosphoric acid, calcium potassium sodium salt (2:2:1:1)”
Synthetic
Ingredient Facts
Calcium potassium sodium phosphate
AKA: Phosphoric acid, Calcium potassium sodium salt (2:2:1:1)
Synthetic · Antimicrobial · EWG: 4
Synthetic
Preservative
Synthetic
Clean
A gentle mineral that helps polish teeth and fight bacteria, keeping your smile clean and fresh while supporting healthy gums.
Formula
Ca2KNaO8P2
Mol. Weight
332.19
CAS #
131862-42-5
Form
Powder
See origin →
Functions
Abrasive
Antimicrobial
Keeps your product from growing bacteria, mold, or yeast. Without these, that jar of cream becomes a petri dish in about a week.
Antiplaque
Oral Care
Fights Bacteria
Traditional Use
A synthetic buffering and conditioning agent developed for modern cosmetics to maintain pH stability and mineral supplementation in skincare formulations.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Safety Assessment of Phosphoric Acid and Its Salts as Used in Cosmetics
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Calcium Potassium Sodium Phosphate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Metaphosphoric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Phosphoric Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Phosphoric Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR