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. Everbilt 2 in. x 8 in. Plastic No Smoking No Vaping Sign 31315 The Home Depot No Vape Sign No Vaping Allowed Stock Vector (Royalty Free) 441935626 Shutterstock Nicotine Free Vape Zero Nicotine Vapes