Healing Solutions 100% Pure Essential oils are bottled in UV blocking amber essential oil bottles. Our Chief Scientist tests every batch of oil for purity in our in-house, state of art GC-MS Laboratory. This ensures every product sold is 100% pure essential oil! The Leading Aromatherapy Associations (Alliance of International Aromatherapists (AIA), International Aromatherapy and Aromatic Medicine Association, Aromatherapy Trade Council, and others) all state that essential oils should not be taken internally (regardless of purity or organic origin) unless under the guidance of a health care practitioner trained at an appropriate level . As such, all of our oils carry a label warning that the product is NOT FOR INTERNAL USE. What sets Healing Solutions Essential Oils apart is superior cultivation of ingredients that are the best in the world. Combined with superior distillation and bottling care process, We GUARANTEE that our oils are aromatically superior and more effective than any other oils - if you disagree we will refund your money!