Young e cigarette users report widespread use of flavor blends and concept flavors like Iced Mango, Blue Dream, and OMG OK Vape E Cig Nicotine Free Menthol Cartridges Health and Care Making the Switch: Zero Nicotine Disposable Vape Guide 01 Hyper Bar PX20000 Disposable Vape Vapor Authority Nonnicotine vapes may be marketed as safe, but many still contain chemicals, have unknown health effects, and aren't FDAregulated. Teens are using them more ofteneven alongside nicotine vapes. No ecigarette is riskfree.