The Department is currently considering how best to commission further research into the health impacts of e-liquids, including those containing propylene glycol and vegetable glycerin. In September 2022, we published the last in a series of evidence reviews entitled ‘Nicotine vaping in England’. This can be found at the following link: https://www.gov.uk/government/publications/nicotine-vaping-in-england-2022-evidence-update/nicotine-vaping-in-england-2022-evidence-update-main-findings#:~:text=vaping%20prevalence%20in%20England%20in,0.6%25%20and%200.7%25%20in%202021 This report confirmed that vaping carries only “a small fraction of the risks” of smoking but is not risk free.