How to confirm the authenticity of cigarettes when buying them in a cigarette shop?

First of all, see if the plastic paper on the package is tight enough. Some of them are loose, which is obviously sticky by hand. And look at the place where the plastic paper is bonded, whether it is neat.

Second, open the cigarette and smell it to see if it smells good. The cut tobacco of fake cigarettes has a strange smell.

Third, see if the cut tobacco is arranged closely enough. There are obvious differences between real cigarettes and fake cigarettes.

Fourth, is the sponge head tight enough? The sponge head of fake cigarettes is very loose and the quality is not good.

Finish a cigarette and throw it in the toilet. After 20 minutes, see if the sponge is separated from the cigarette. Fake cigarettes will be separated, but real cigarettes will not. (I've only tried double happiness)

Sixth, according to the taste, and generally go to a regular store to buy more at ease. Those private tobacco monopoly companies also have a lot of fakes.