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INCI: BUTENE
A hydrocarbon gas used as a propellant in aerosol products, helping to dispense the product from its container.
May aggravate
Safety summary
Generally safe for cosmetic use as a propellant; highly flammable. Should not be inhaled directly.
CAS Number
106-98-9
For informational purposes only. This is not medical advice. Always patch test new products and consult a dermatologist for skin concerns.