100% PURE & UNDILUTED! Woolzies Essential oils are highly concentrated, cold-pressed, vegan, natural, never tested on any animals, Free of synthetic ingredients, or artificial fragrances. Woolzies Wellness Collection is the Highest Quality Aromatherapy Therapeutic Grade Essential oil blend. Each Wellness oil bottle is tested by an independent lab for its constituents as well as to have no fillers/additives. All Woolzies natural products are designed and formulated to have maximum effectiveness!