Sodium Cocoyl Proline

AKA: Coconut Amino Acid Surfactant
Allergen Warning
⚠️ Tree Nut (Coconut)
Synthetic
Cleanser
Amino Acid
Plant Oil
Not Clean
Sodium Cocoyl Proline is a cosmetic ingredient used as cleansing, surfactant - cleansing. Assessed as safe by the CIR.
CAS #
-
Form
Liquid
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.
Surfactant Cleansing
Anti-Inflammatory
Antimicrobial
Fights Acne
Removes dirt and impurities
Lifts away dirt and oil
Traditional Use
Synthesized by combining coconut oil derivatives with the amino acid proline in the late 20th century. Created to produce mild surfactants with improved conditioning and skin-feel properties.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed1 review
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR