Isobutane
The spray pusher.
What it does
A gas that pushes product out of spray cans, like deodorant and shaving foam.
Good to know
Spray cans with it are flammable, so keep them away from heat and flames. The cosmetic grade must be almost free of butadiene.
Often found in: Deodorants, Antiperspirants, Shaving foams
Around the world
- United States: No FDA limit. The FDA doesn't approve cosmetic ingredients before sale. Source
- EU and UK: Banned if it contains 0.1% or more butadiene. Purer grades have no special limit. Source
- Canada: Must contain less than 0.1% butadiene. Source
- Australia: No limit in Australia's Poisons Standard. Source
Sources
- PubChem: Isobutane (Independent)
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