PEG-8 Propylene Glycol Cocoate
AKA “Polyethylene Glycol 8 Propylene Glycol Cocoate”
Surfactant
Ingredient Facts
Peg-8 propylene glycol cocoate
AKA: Polyethylene Glycol 8 Propylene Glycol Cocoate
Surfactant · Cleansing · EWG: 2
Synthetic
Cleanser
Emulsifier
Plant Oil
Clean
Fatty acids, coco, 2-hydroxypropyl ester, ethoxylated (8 mol EO average molar ratio)
CAS #
126645-98-5
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
Reduces Inflammation
Locks In Moisture
Fights Bacteria
Removes Impurities
Mixes Oil & Water
Traditional Use
A synthetic ester developed in the late 20th century combining coconut-derived fatty acids with propylene glycol and polyethylene glycol to create a mild emulsifier.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
2
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Final Report on the Safety Assessment of PEG-25 Propylene Glycol Stearate, PEG-75 Propylene Glycol, PEG-120 Propylene Glycol Stearate, PEG-10 Propylene Glycol, PEG-8 Propylene Glycol Cocoate, and PEG-
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
PEG-8 Propylene Glycol Cocoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
PEG-8 Propylene Glycol Cocoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Verified Jun 2026
Data: CosIng · EWG · CIR