Senators grill FDA regulators and Justice Department officials over rise of unauthorized e cigarettes PBS News Only FDA authorized vape products are available for purchase in Kentucky. Here's what to know How Old Do You Have to Be to Vape By State? The Hemp Doctor How old do you have to be to vape? What vaping products can I buy, and where? Your guide to navigating the new tobacco and vape regulations masslive.com FDA warns KY vape shops of illegal brands being sold, teenagers at risk