We source our essential oils from a variety of facilities worldwide. We work with high quality plantation based distilleries where they are grown in order to receive the shortest harvest to process time, allowing the highest concentration of preserves therapeutic effects. Each batch we receive is certified pure and batch tested for consistency. Be mindful with all pure and concentrated essential oils that if used in a way that is not appropriate, these oils can be harmful. Please research and become educated on how best to use them effectively before use.