How Old Do You Have to Be to Vape? A Global Look at Vaping Age Restrictions and Laws Tastefog How Old Do You Have to Be to Vape? Firefly Vapor You Must Be 21 Years of Age or Older to Purchase E Cigs Vape Sign signs by salagraphics Chart: Teenagers Two to Three Times More Likely to Vape Than Smoke Statista 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