E cigarette aerosols contain many dangerous metals and chemicals things that our lungs were never meant to inhale. One such chemical you might not be aware of is formaldehyde, which can be released as Toxic Taxidermy The Real Cost Tobacco Did you know #vaping liquids contain formaldehyde and metals? What else isn't the vaping industry not telling you? Facebook Going completely smoke free is difficult for many, but did you know that nicotine has been found in e cigarette liquids claiming to be 'nicotine free?' While e cigarettes don't contain tobacco, they may still Myth vs. Fact Myth: Vaping is just flavored water" Fact: Vape aerosol contains heavy metals, formaldehyde, and nicotineall inhaled directly into your lungs and can cause breathing problems, lung disease and cancer.