Polyglyceryl-4-PEG-2 Cocamide
AKA “Polyglyceryl-4-PEG-2 Cocamide
Synthetic
Ingredient Facts
Polyglyceryl-4-peg-2 cocamide
Synthetic · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Plant Oil
Synthetic
Clean
Poly(oxy-1,2-ethanediyl, .alpha.-hydro-.omega.-amino-, N-coco-acyl derivatives, ethers with 1,2,3-propanetriol hompolymer (1:1) (2 mol EO, 4 mol glycerol, average molar ratio) Science: Functions: Surfactant - Cleansing, Surfactant - Emulsifying Safety Ratings: CIR: Safe as used
CAS #
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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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Developed as a modern polyethylene glycol-based emulsifier derived from coconut oil. Created in late 20th century to provide mild cleansing and emulsifying properties suitable for gentle skincare formulations.
Skin Types
all-skin-types
Best For
General
Melanin-Rich Skin
Suitable
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Insufficient
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Concentration Guide
Dermal absorption: 100%. Source: CIR Safety Assessment (CIR Seq 772).
Regulatory Status
USAunder review
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: CosIng · EWG · CIR