As are not doctors we can not say for sure.
But what we can say is most solvents like butane evaporate almost instantly. Propane has been used as a solvent for decades. These solvents are removed so in theory both are the same, but you get more bang for you $ with solvent extracted products. Lots of work goes into getting keif, then pressing it. So you pay extra for the labor.
If you love dabs, look into raw dabs and how the Silver Surfer removes the dabs right from the plant, saving you money, and giving you true full spectrum the way nature intended