This is debatable but its a toss-up between appliances with active carbon filters and negative ion air purifiers
Fully rechargeable and reusable, it combines simplicity, autonomy and effectiveness thanks to nicotine salts , while using made in France e-liquids
Restricting imagery, branding, text and other promotional features on packaging for all vaping and nicotine products Evidence suggests that white packaging without imagery and logos, and with minimal branding and limited flavour descriptions, can reduce the appeal of vaping products to young people, without putting off adults (Taylor and others, 2023
Research in public health, economics, and other disciplines provides a large evidence base on the effectiveness of graphic warning labels and other tobacco control policies to reduce smoking and improve global health