Single-note essential oils are the building blocks of your aromatherapy toolkit. Stock up on top, middle and base notes to be able to blend the perfect smells. Blending essential oils is easy and fun. Join the Nourished Essential #WellnessMaker movement to see the many uses these essential oil single notes can have, from home cleaners to DIY shower gels. Stock up on our essential oils, which you can always trust to be 100% pure.