Cetearyl Phosphate

AKA: 90506-73-3, BOTANIMULSE CSP, EMPIPHOS TM, CETEARYL PHOSPHATE [INCI], PHOSPHORIC ACID, MONO-AND DI-C16-18-ALKYL ESTERS
Plant-Derived
Skin Conditioner
Clean
OriginDerived from natural plant oils, primarily coconut, palm, or soy sources containing fatty alcohols. Produced through phosphorylation of cetearyl alcohol using phosphoric acid or phosphate esters.
Phosphoric Acid, Mono- and Di-C16-18-Alkyl Esters
Formula
C34H71O8P
Mol. Weight
638.90
CAS #
90506-73-3
Form
Powder
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed2 reviews →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
EWG
1
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2019
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR