Glycerol serves as being a humectant, which suggests it adds moisture to the solution. Glycerol is classed as "commonly identified as Protected" by the FDA, so it's accepted for usage. An e-cigarette doesn’t make smoke. A far more precise title for the “secondhand smoke” that comes from a copyright or https://vapepodcenter.com/product/virginia-tobacco-18mg-juul2-pods/