Cov khoom xyaw tseem ceeb ntawm e kua txiv yog PG (propylene glycol), VG ( zaub glycerin), essence, nicotine / nicotine ntsev.Propylene glycol (PG) yog ib hom tshuaj thiab khoom noj khoom haus ntxiv, hygroscopic, me ntsis qab zib, tsis muaj xim thiab ntxhiab tsw pob tshab kua.
Nyeem ntxiv