The ingredients in electronic cigarettes and vape e-liquid vary depending on the brand. blu e-liquid ingredients are carefully assessed and tested by our professional toxicologists to determine the suitability of their use in our e-cigarettes. We use pharmaceutical grade nicotine, propylene glycol and glycerine and high quality flavour ingredients in our e-liquids. Ingredients vary slightly between different e-liquid flavours. However, all blu e-liquids contain propylene glycol, vegetable glycerine and flavouring. Nicotine containing e-liquids will contain nicotine, and our myblu Intense range will additionally contain nicotine lactate. Here is an article about how e-liquid is made and what are in the ingredients.