METHYL PERFLUOROBUTYL ETHER is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.
METHYL PERFLUOROBUTYL ETHER
Safety grade: A
This is a lightweight synthetic liquid that is commonly used in cosmetic products to help dissolve other ingredients and control how thick or thin the product feels. It evaporates quickly and leaves no oily residue.
It acts as a solvent to dissolve and blend ingredients together, while also helping to adjust the thickness and texture of cosmetic formulations for better spreadability and application.
Graded using: COSING, FDA.
Last verified: May 26, 2026
Other PFAS ingredients
- PTFE — Grade C
- PERFLUORODECALIN — Grade A
- METHYL PERFLUOROISOBUTYL ETHER — Grade A
- PERFLUORODIMETHYLCYCLOHEXANE — Grade A
- PERFLUOROHEXANE — Grade A
- PERFLUOROMETHYLCYCLOPENTANE — Grade A
Other Viscosity Controlling ingredients
- GLYCERIN — Grade B
- SODIUM CHLORIDE — Grade A
- COCAMIDOPROPYL BETAINE — Grade A
- BENZYL ALCOHOL — Grade C**
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- CETEARYL ALCOHOL — Grade A
- DISODIUM EDTA — Grade C