The chemicals contained in a disposable vape depend on the composition of its e-liquid.
Generally speaking, vape e-liquid is composed of PG (propylene glycol), VG (vegetable glycerin also called glycerin), flavors, nicotine, taste improving additives, etc.
In addition to these main ingredients, vape may also contain some other chemical substances, such as organic acids, organic bases, inorganic acids, inorganic bases, etc.
In addition, some vapes contain high concentrations of irritating gases such as propylene glycol and heavy metals such as nickel, cadmium and copper.
Some vape e-liquids also add some organic solvents, such as ethanol, acetone, etc. These solvents will produce a large amount of harmful gases when burned, causing harm to human health.
In general, there are many types of chemicals in vapes that have different effects on human health, so vapes should be avoided as much as possible.