Guide to E cigarette and E liquid labels: Design, Regulations, and Best Practices Myth! ~ Have you heard that e liquid is full of harmful chemicals? It's not true it's only got 4 ingredients. #vaping #vape #vapeuk #ecig #vapour E liquid guide : composition of an e liquid, flavours, PG VG, nicotine Le Petit Vapoteur Vaping has become common, but it's important to know what you're inhaling. Many e cigarettes contain nicotine, heavy metals like nickel and lead, and chemicals that can harm your lungs and overall health. Best Flavored E Liquid White Cloud Electronic Cigarettes Teens using e cigarettes show evidence of same toxic chemicals as smokers: Study ABC News