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Ammonium Coco-Sulfate
AKA “Ammonium Coconut Sulfate, Coconut Sulfate”
Synthetic
Ingredient Facts
Ammonium coco-sulfate
AKA: Ammonium Coconut Sulfate, Coconut Sulfate
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Emulsifier
Plant Oil
Synthetic
Clean
Plant-derived cleanser that creates a luxurious lather while gently removing dirt and oil. Helps emulsify ingredients so they blend smoothly together.
CAS #
90989-98-3
Form
Powder
See origin →
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
Traditional Use
Synthesized in the mid-20th century as a sulfated derivative of coconut oil for use as a detergent and surfactant. Created to provide gentle cleansing properties inspired by coconut oil's traditional use in tropical skincare.
Skin Types
●all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
Allergen Warning
⚠️ Tree Nut (Coconut)
EWG
4
CIR
Safe w/Qualifications
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Feb 2026
Data: CosIng · EWG · CIR