C9-15 Alkyl Phosphate

AKA: Surfactant
Synthetic
Cleanser
Emulsifier
Clean
OriginDerived from fatty alcohols and phosphoric acid, belonging to the organophosphate chemical family. Synthesized through esterification of long-chain fatty alcohols with phosphoric acid or phosphate compounds.
Phosphoric acid, mono- and di-C9-15-alkyl esters
CAS #
190454-07-0
Form
Powder
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Caution
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Removes Impurities
Cleansing Surfactant
Emulsifier
Wound Healing
Mixes Oil & Water
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
Caution
Concentration Guide
Leave-on0.0011–0.12%
Rinse-off0.0044–0.12%
0%50%100%
CIR reported use · report published 2019
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR