PEG-8 Propylheptyl Ether
AKA “Polyethylene Glycol 8 Propylheptyl Ether
Ingredient
Ingredient Facts
Peg-8 propylheptyl ether
AKA: Polyethylene Glycol 8 Propylheptyl Ether
Ingredient · Emulsion Stabilising · EWG: 1
Synthetic
Emulsifier
Clean
PEG-8 Propylheptyl Ether is a cosmetic ingredient used as emulsion stabilising. Rated low hazard by EWG. Assessed as safe by the CIR.
CAS #
-
See origin →
Functions
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Stabilizes Emulsion
Reduces Inflammation
Locks In Moisture
Fights Bacteria
Keeps product blended
Traditional Use
A synthetic ether compound developed in the late 20th century for use as a solvent and emulsifier in cosmetic formulations.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR