Vaping Laws & Regulations by State State Locator CASAA Mississippi vape law leads to ingredient changes All non FDA approved nicotine products will be illegal in Mississippi starting in October. This includes many products, including most flavors of disposable vapes. Before the end of the year, there will be fewer vape products that can be legally sold in Mississippi. The Governor has already signed House Bill 916 into law. The law specifies Vaping Ban A joke, says Expert Center of Alcohol & Substance Use Studies