What exactly are the effects of applying a THC vape? Isolation of the THC. The isolation of the THC from the cannabis oil is definitely the 2nd step in the procedure of making the THC vape oil. It's important to ensure that the THC is separated from the cannabis oil. The isolation progression is realized by subjecting the cannabis oil to naphtha. You are able to choose from many different models that have many benefits. Here are a few reasons why...