DMSO's goal is to provide the finest quality pure and natural essential oils available today. DMSO does not shop by price, nor buy from "mass market" suppliers, but rather from small distillers who either grow their crop themselves, or personally know and observe the farmers whose oils they sell. Most of DMSO's oils are either organically grown, or ethically wild crafted with concern for the worldwide environment and ecosystem. DMSO's synergistic blends are carefully designed using our own pure essential oils, sometimes blended with other totally natural ingredients. Nothing artificial is ever added. The oils DMSO offers have very little in common with those you will find in your local health food shop. DMSO has purity tests (GC/MS reports) on approximately 3/4's of the oils we offer. DMSO knows that of their customers look for the best products for that reason DMSO strives to provide you with the best.