St. Louis, MO Tobacco & Vaping: Vape Retail Rules (2026)

407.926. [...] 3. Alternative nicotine products and vapor products shall only be sold to persons eighteen years of age or older, shall be subject to local and state sales tax, but shall not be otherwise taxed or regulated as tobacco products. 4. (1) Any nicotine liquid container that is sold at retail in this state shall satisfy the child-resistant effectiveness standards set forth in 16 CFR 1700.15(b) as in effect on August 28, 2015, when tested in accordance with the method described in 16 CFR 1700.20 as in effect on August 28, 2015. (2) For the purposes of this subsection, "nicotine liquid container" shall mean a bottle or other container of liquid or other substance containing nicotine if the liquid or substance is sold, marketed, or intended for use in a vapor product. A "nicotine liquid container" shall not include a liquid or other substance containing nicotine in a cartridge that is sold, marketed, or intended for use in a vapor product, provided that such cartridge is prefilled and sealed by the manufacturer and not intended to be opened by the consumer. (3) Any person who engages in retail sales of liquid nicotine containers in this state in violation of this subsection shall be assessed a fine of two hundred fifty dollars for the first violation and five hundred dollars for each subsequent violation.