Argon is a safe, inert gas used mainly as a propellant or packaging filler, but it does not actively benefit the skin.
Irritation
low
Source
natural
Beauty ingredient research
Browse the review database to understand what an ingredient is, what it does in a beauty formula, when it is useful, and when it deserves caution across skincare, haircare, bodycare, makeup, and more.
20769
Reviewed ingredients
524
Low-concern standouts
2884
Need usage caution
Argon is a safe, inert gas used mainly as a propellant or packaging filler, but it does not actively benefit the skin.
Irritation
low
Source
natural
Butane is a safe and widely used propellant that helps deliver products like sprays and foams, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
Carbon dioxide is a safe, widely used propellant in aerosol cosmetics, but it offers no direct skin benefit.
Irritation
low
Source
natural
Dimethyl ether is a common aerosol propellant that helps dispense products like dry shampoos and setting sprays, but it offers no direct skin benefit and may cause mild irritation if inhaled excessively.
Irritation
low
Source
synthetic
Ethane is a safe, colorless gas used to propel product out of aerosol cans, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
A synthetic propellant that helps spray products work smoothly, but it has a high global warming potential and is being phased out in some regions.
Irritation
low
Source
synthetic
Isobutane is a safe and effective propellant used in aerosol products, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
Nitrogen is a safe, inert gas that helps dispense and preserve cosmetic products without affecting skin.
Irritation
low
Source
natural
Nitrous oxide is a safe, non-irritating propellant that helps create light, airy textures in foaming products, but it offers no direct skin benefit.
Irritation
low
Source
synthetic
Pentafluoropropane is a safe, non-irritating propellant that helps dispense skincare products from aerosol cans without affecting your skin.
Irritation
low
Source
synthetic
Propane is a common aerosol propellant that helps dispense products like dry shampoos and setting sprays, but it offers no direct skin benefit.
Irritation
low
Source
synthetic