Polyperfluoroethoxymethoxy Difluoromethyl Ether

AKA: Fluorinated Polymer, Perfluorinated Ether
Synthetic
Solvent
Not Clean
N,N'-(Poly(oxytetrafluoroethylene, oxydifluoromethylene)bis(difluoromethylene))bisoctadecanamide
CAS #
161075-02-1
Form
Liquid
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Dissolves Ingredients
Dissolves other ingredients
Traditional Use
A synthetic fluorinated polymer developed in the late 20th century. Created to provide unique sensory and performance characteristics in cosmetic formulations as a specialized texture enhancer.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Potential Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing
🛡️Safety-assessed2 reviews
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR