8 Vape Juice Ingredients to Avoid Toxic e Liquid Flavors What's actually inside that vape? Vaping devices don't just deliver flavor or a quick escapethey introduce a mix of chemicals, metals, and addictive substances into the body. Many believe they're just harmless Vaping vs. smoking for singers which is safer for your voice? Short answer: neither. Smoking exposes your voice to heat and combustion toxins. Vaping exposes it to chemical aerosols that dehydrate and What Ingredients Are In An E Liquid? Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders.