Well technically, all of the THC isn't extracted. Supposidly, only 60-75% of the THC is used during the vaporizing process. Since it doesn't physically burn the bud, the actual THC in the plant is still in it. Also, with my goods, I didn't fully vap my shit. Leaving it with even more, I was also intending to put some actual bud in it as well. So.... yup