Have diluted it at times with aloe vera, or castor oil, mixed in a few drops of oil of oregano, or cayenne all in very dilute form.
Please do read the instructions carefully regarding diluting becasue DMSO facilitates passage through the cell structures, thus increasing dosages of any added mix products. Also,there are certain products that should not be mixed with DMSO for the same reason. I don't know for certain, but I believe H2O2 (Hydrogen-Peroxid) is one of them.