What is the Legal Age for Vaping in the UK and Worldwide? At What Age Can I Buy A Vape What is the Legal Age to Vape? UK Just a reminder, the minimum age to buy nicotine products in Indiana is 21. This means retailers are prohibited from selling cigarettes, e liquids, and e cigarettes to anyone under age 21. We 8 in 10 Support raising the minimum age to purchase tobacco products, e cigarettes, and vaping devices to 21 Tobacco 21 We regularly receive reports of retailers selling vapes to children, who are often enticed by the colourful packaging and sweet flavours used by some vaping manufacturers. The legal age to buy vapes The Legal Vaping Age How Old Do You Have to Be to Vape?