bananapeel

Isobutane

ISOBUTANE

Data confidence:High

Function

Propellant

EWG Safety Score

2/10Low concern

About this ingredient

Isobutane is a liquefied hydrocarbon gas used as a propellant in aerosol cosmetic products such as sprays, foams, and mousses. It helps deliver the product in a fine mist or foam while evaporating quickly after application, leaving no residue. It is odorless, colorless, and commonly used in deodorants, body sprays, and haircare aerosols.

Found in 9+ sunscreens