Can Drug Dogs Smell Unopened Vape Pens? From today, 1 August 2025, it will be illegal to import and supply single use vapes in Jersey under the single use plastics law. Retailers will have a six month sell through period to sell existing Police dog helps sniff out illegal vapes in Poole Vaping isn't just harmful to humans it's dangerous for our pets too! The aerosols from e cigarettes contain toxic chemicals and nicotine that can seriously harm pets if inhaled or ingested.