Cetearyl Phosphate
AKA “4O6GCK4CTJ, EINECS 291-938-1, 90506-73-3, BOTANIMULSE CSP, EMPIPHOS TM, RefChem:575343, CETEARYL PHOSPHATE [INCI], DTXSID001041766, PHOSPHORIC ACID, MONO-AND DI-C16-18-ALKYL ESTERS”
Skin Conditioning
Ingredient Facts
Cetearyl phosphate
AKA: 4O6GCK4CTJ, EINECS 291-938-1, 90506-73-3, BOTANIMULSE CSP, EMPIPHOS TM, RefChem:575343, CETEARYL PHOSPHATE [INCI], DTXSID001041766, PHOSPHORIC ACID, MONO-AND DI-C16-18-ALKYL ESTERS
Skin Conditioning · Skin Conditioning · EWG: 1
Plant-Derived
Skin Conditioner
Plant Oil
Clean
Phosphoric Acid, Mono- and Di-C16-18-Alkyl Esters
Formula
C34H71O8P
Mol. Weight
638.90
CAS #
90506-73-3
Form
Powder
See origin →
Functions
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 synthetic phosphate ester combining cetyl and stearyl alcohols with phosphoric acid. Created as an emulsifier and conditioning agent in modern cosmetic formulations.
Skin Types
●all-skin-types, gentle
Best For
General
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
Cetearyl 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)
Cetearyl Phosphate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Phosphoric Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR