PEG-4 Diheptanoate
AKA “
Polyethylene glycol 4 diheptanoate
”
Surfactant
🦆
❤️
👻
Ingredient Facts
Peg-4 diheptanoate
AKA: Polyethylene glycol 4 diheptanoate
Surfactant · Emulsifying · EWG: 2
WHAT IS IT?
Synthetic
Cleanser
Emulsifier
Clean
Poly(oxy-1,2-ethanediyl), .alpha.-(1-oxoheptyl)-.omega.-[(1-oxoheptyl)oxy]- (4 mol EO average molar ratio)
Form
Liquid
See origin →
WHAT'S IT DO?
Functions
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Emulsifier
Locks In Moisture
Wound Healing
Antioxidant Protection
Mixes Oil & Water
Traditional Use
Synthetic ester combining heptanoic acid with polyethylene glycol, developed as a cosmetic emollient and skin-conditioning agent.
Skin Types
●
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
IS IT SAFE?
EWG
2
CIR
Safe as used
Pregnancy
Yes
Restricted By
Credo Beauty
Whole Foods Premium Body Care
Beauty Heroes
MADE SAFE
EWG VERIFIED
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USA
✔ permitted
EU
⚠ restricted
JAPAN
⚠ restricted
CANADA
⚠ restricted
Regulatory Agencies
EWG
CIR
FDA
EU COSING
Health Canada
WHAT'S THE PROOF?
PEG-4 Diheptanoate
European Commission
EU Cosmetic Ingredient Database (CosIng)
→
PEG-4 Diheptanoate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
→
Verified Jun 2026
Data: CosIng · EWG · CIR