E-cigarettes are electronic products that mimic cigarettes.
Although e-cigarettes do not contain tar, they still have a variety of other carcinogens and have the same appearance, smoke, taste and feel as cigarettes. Electronic cigarettes are mainly composed of e-liquid (including nicotine, essence, solvent, etc.), power supply, atomizer, etc. It is a product that users can smoke after turning e-liquid and other substances into steam through heating and other means.