Vape Juice Ingredients: What's Inside Your E Liquid? VITAE Glass Vaping update for WA schools Vapes can contain the same harmful chemicals found in cleaning products, nail polish remover, weed killer and bug spray. The main ingredient in vapes is propylene glycol, What's in Vapes? BreakDown Chemical characterisation of the vapour emitted by an e cigarette using a ceramic wick based technology Scientific Reports Infographic: What's In A Vape PHE Canada Do you or a young person you know vape? Vapes are not water. The main ingredient in vapes is propylene glycol, vegetable glycerine or glycerol. They can contain the same harmful chemicals