How does the disposable vape ban work, and how harmful is vaping? Disposable vapes: flammable, toxic, barely recycled. Heating coil, synthetic nicotine, chemicals, lithium battery. A dangerous cocktail. #vape #ecigarette #lithiumbattery #recycling #pollution #health Are e cigarettes really a safer alternative to combustible cigarettes? New study reveals disposable vapes may be more toxic! Learn more about how a University of California, Davis study found that some popular Vapes are harmful and can be highly addictive. Some disposable vapes have nearly tripled in nicotine strength in the span of only 5 years.