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Sodium Cocoyl Proline
AKA “Coconut Amino Acid Surfactant, Cocoyl Proline”
Synthetic
Ingredient Facts
Sodium cocoyl proline
AKA: Coconut Amino Acid Surfactant
Synthetic · Cleansing · EWG: 4
Plant-Derived Synthetic
Cleanser
Amino Acid
Plant Oil
Synthetic
Clean
Science: Functions: Cleansing, Surfactant - Cleansing Safety Ratings: CIR: Safe as used
CAS #
-
Form
Liquid
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.
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.
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
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