While there is no evidence that laws requiring licences for retailers to be able to sell vaping products over the counter are effective in reducing youth access to e-cigarettes, such restrictions may affect youth tobacco consumption behaviour, a US study has found.
Researchers at San Diego State University, the University of Kentucky and George Mason University found no evidence that the adoption of e-cigarette licensure laws (ELLs), making it compulsory for sellers to operate under a state licence, reduce youth use of electronic nicotine delivery systems (ENDS).