VaporFi High VG Vaping360 Which brands contain diacetyl in their vape juices? Knowledge Kaiweili Digital Technology Approximately 16,000 unique flavours have been identified for vapes, many of which appeal to potential users. Some flavours increase the toxicity of vape emissions and can generate compounds that are known to Vape Juice Without Diacetyl Freeman Vape DYK? Vaping coats lungs with potentially harmful chemicals. This can include chemicals such as: Diacetyl: This food additive, used to deepen e cigarette flavors, is known to damage small passageways in the lungs.