Breathe Essential Oil Blend 15ml bottle doTERRA Breathe is a remarkable blend of essential oils including Laurel Leaf, Peppermint, Eucalyptus, Tea Tree, Lemon, Cardamom, Ravintsara, and Ravensara. doTERRA Breathe maintains feelings of clear airways and easy breathing while minimizing the effects of seasonal threats. doTERRA Breathe can be applied topically to the chest, back, or bottom of feet, or diffused at nighttime to calm the senses and promote a restful sleep.