The E-Liquid of a Steamlite electronic cigarette is the liquid filled in the Cartridge refills of an Electronic cigarette. The E-liquid in an Electronic Cigarette mainly contains propylene glycol, nicotine and flavourings.

Nicotine is the main content of liquid in a cartridge which satisfies the cravings of the smoker. The nicotine liquid comes in low, medium and high concentrations or strengths suitable to smokers having different strength smoking tendencies.