What Is Pod Juice? Unlock Smoother Vaping with Salt Nic ELiquid Depot E Juice Steeping Guide What Happens if You Swallow Vape Juice? EDGE Vaping Can e cigarettes cause a deepening of the voice? Terpy Despite what you may hear, the liquid in vapes (known as vape juice) is not only water and sweet flavours. Heating the liquid produces toxic chemicals like formaldehyde. Formaldehyde is a 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