Ammonium Coco-Sulfate

AKA: Ammonium Coconut Sulfate, Coconut Sulfate
Synthetic
Cleanser
Emulsifier
Not Clean
OriginDerived from coconut oil or palm kernel oil through extraction of fatty acids and their derivatives. Produced by sulfating the fatty acid chains, then neutralizing with ammonia to form the ammonium salt.
Sulfuric acid, coco alkyl mono-ester, ammonium salt
CAS #
90989-98-3
Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Foaming
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
Creates Lather
Cleansing Surfactant
Emulsifier
Reduces Inflammation
Locks In Moisture
Removes dirt and impurities
Creates cleansing foam
Lifts away dirt and oil
Mixes oil and 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
4
CIR
Safe as used
Pregnancy
Yes
Concentration Guide
CIR lists it as not reported to be in use.
CIR · report published 2010
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR