E-cigarette, an electronic cigarette or personal vaporizer is a non-flammable piece of equipment which consists of a small rod which is elongated than a real cigarette, and comes with a disposable cartridge that contains tobacco flavor, propylene glycol, liquefied nicotine and a membrane to hold the ingredients. An electronic cigarette also possesses a tiny rechargeable battery which allows the conversion of vapor from nicotine with each inhalation. It is a battery- powered mechanism providing inhalation of non- nicotine or nicotine vaporized solution. The working or operation of e-cigarette does not produce combustion or smoke, yet provides a physical sensation and flavor similar to that of inhaled tobacco smoke.

E-cigarette takes many forms but the most common design is the “pen-style”. It is named so as it has a visual resemblance to a ballpoint pen. The parts of most electronic cigarettes are refillable and replaceable. Each e-cigarette has basic components such as: - various electronic circuits, a rechargeable battery, a heating element and a mouthpiece (cartridge). The mouthpiece is a tiny replaceable plastic or steel cup-like part attached at the end of the tube. The liquid in the mouthpiece is vaporized by the heating element (atomizer) so that it can be inhaled. Lithium-ion rechargeable battery is utilized by many e-cigarettes to power the heating element. Different solutions of nicotine are sold in the market which can be utilized in refillable cartridges.

E cigs are perfect choice for comfortable and clean smoking alternative. E cigarette does not produce smoke and thus one need not worry of second hand smoke getting passed to their loved ones. There is no tobacco smell in the user’s furnishings, hair, clothes and hands; and office, car and home are free of ashes; thanks to e-cigarette. Unlike traditional cigarette, e- cigarette does not contain injurious substances such as carbon monoxide or tar. E-cigarettes are harmless as harmful substances are not present in it and nicotine is not carcinogenic and is harmless. The sensor at the tip of E cig identifies the air flow and the microprocessor liberates small drops of vaporized nicotine which gives a feel of smoking with no health hazards.

There are multiple benefits of e-cigarettes such as: - no staining of teeth, no health hazards, no smoke, cheaper than regular cigarettes, absence of harmful substances, removes 4000 carcinogenic substances, remove the danger of second hand smoke etc. Persons who are giving a shot to quit smoking but cannot quit their favorite nicotine flavor; e-cigarette is the best option.