
How Do Nicotine Tests Detect Vaping? 9 Cotinine Kits Compared
Short answer: they do not detect vaping specifically. They detect cotinine, the metabolite the body makes from nicotine, and an e-cigarette delivers nicotine just as a cigarette does. Nicotine itself is useless as a screening target — half-life roughly one to two hours — while cotinine’s is about 16 to








