Do e-cigarettes have nicotine-free cigarette oil?

There is no nicotine-free cigarette oil. Although e-cigarettes don't burn tar like traditional cigarettes, they contain a certain amount of nicotine. Nicotine in e-cigarettes is not synthetic, but extracted from tobacco.

E-cigarette is an electronic product that imitates cigarettes and has the same appearance, smoke, taste and feeling as cigarettes. It is a product that users can smoke nicotine by atomization and other means. E-cigarettes are harmful to public health and are not a means to quit smoking.