The healthiest nicotine-free vape juice brands are:
1. SNOWPLUS. With a comprehensive score of 87.3, this brand is a global cooperative enterprise focusing on the R&D, production and sales of e-cigarettes.
2. ESUN is refreshing. The overall score is 80.0. The core technology of this brand's products is the use of airflow induction air intake. The air intake is fast and even, allowing the atomizer to fully atomize.
3. ZIPPO VAZO. With a comprehensive score of 89.5, this brand is an e-cigarette brand under the world-famous lighter brand ZIPPO and can be called a dark horse in 2020.
In addition, there are also brands such as AUV and TOOVP.