Closed electronic cigarettes are the mainstream type of disposable e-cigarette currently on the market.

Because these electronic cigarettes use a closed system, that is, there is no need to set product parameters, and the products cannot be disassembled at will, nor can they be injected with e-liquid by themselves. cigarette.

What is an open electronic cigarette?

Open e-cigarettes use an open fuel tank to support consumers’ own DIY operations and inject fuel for recycling, but this seems very convenient and cost-effective, and it is also easy to pose a threat to their own health.

Because most users can easily buy e-juice produced by regular manufacturers, the ingredients are uncontrollable, and not only the quality of e-juice is not up to standard. Users are prone to the problem of random additions, which can cause harm to the body.