What's inside
What's inside
Benefits
No benefits
Concerns
Ingredients Side-by-side
Ingredients Explained
These ingredients are found in both products.
Ingredients higher up in an ingredient list are typically present in a larger amount.
Butane is a gas derived from petroleum and natural gas. It is used as an aerosol propellant.
This ingredient is a low-molecular weight gas using as a propellant in foams, sprays, and mousses.
It is not intended to interact with skin in a meaningful way as it evaporates almost immediately after dispensing and only leaving behind the actual product formula.
If it does somehow make it onto your skin, it is chemically inert and does not penetrate or get absorbed into skin. Safety assessments note that adverse skin reactions to this ingredient are uncommon.
Learn more about IsobutanePropane is a gas derived from petroleum and natural gas. In cosmetics, its only used as an aerosol propellant (it pushes your product out of the can when you press the nozzle).
That's why you'll find it in hair sprays, dry shampoos, deodorants, mousses, shaving foams, and sunscreen sprays.
It is volatile, meaning it only remains on skin for less than 10 seconds before evaporating. It doesn't really linger long enough on skin to act as a skincare ingredient in any meaningful way.
Hairspray concentrations are between 6-17%.
The CIR Expert Panel concluded it to be safe as a cosmetic ingredient under present concentration and usage.
Learn more about Propane
