Vaporizers can even be used to inhale cannabis oil and waxy concentrates that have been extracted from the plant. Sometimes the oil is usually mixed with propylene glycol and polyethylene glycol to make it less viscous.[ten] Can you place CBD hemp oil inside a vape pen? No, you may’t https://www.evernote.com/shard/s342/sh/3b09bd3f-94fc-7bf9-827b-31be8ac558ee/