E Cigarettes: Know the Health Risks Department of Health Amazon.com: Four Candies 2.6MM Color Lead, Mechanical Colored Pencils Leads, 36 Color Pencils Refills, Assorted Colored Leads 72 PCS : Office Products 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 Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis UC Davis study: Disposable vapes may be more toxic than cigarettes Vaping exposes users to toxic metals like lead and uranium, study says