E Cigarette Exploded in a Teenager's Mouth, Damaging His Jaw The New York Times You've seen the device. But do you know what's actually inside it? Every disposable vape has 4 components and each one comes with real risks: Nicotine e liquid: toxic chemicals, including lead Western Vape Battery Explosion Injuries As seen in various recent news reports, defective e cigarette batteries can overheat and explode without warning. Vaping injuries from battery explosions include: Broken bones and teeth: New push to raise national smoking and vaping age to 21 E cigarette explosions raise safety concerns Single use vapes sparking surge in fires at UK waste plants Vaping The Guardian