How is an electronic cigarette built?

Electronic cigarettes generally consist of a host (equipped with a battery, usually a lithium-ion polymer battery) and an electronic atomizer (filled with e-liquid).

What does an electronic cigarette contain?

The main ingredients in e-cigarette liquid (aerosol) are propylene glycol, vegetable glycerin, or glycerin, and they often also contain nicotine, flavorings, and other chemicals.

What is the difference between electronic cigarettes and cigarettes?

Cigarette smoke contains around 4,000 chemicals, many of which are toxic. Major pollutants include nicotine, tar, carbon monoxide, etc. E-cigarettes use a heated guide wire to heat the e-cigarette liquid and atomize it into vapor for inhalation, so that combustion products such as tar and carbon monoxide are not produced.

Can I bring electronic cigarettes on the plane?

It can be transported, not shipped.