Effect of a 'tobacco-free nicotine' claim on intentions and perceptions of Puff Bar e-cigarette use among non-tobacco-using young adults.

Puff Bar's tobacco-free nicotine claim may increase non-tobacco-using young adults' intentions of using Puff Bar and reduce harm perceptions and negative expectancy towards using Puff Bar. The claim may also prompt the use of Puff Bar over other e-cigarette brands and types. These findings are concerning given the health effects and regulations for tobacco-free nicotine products are not immediately clear.