Allergy season hits hard in our house and this is the oil we reach for. Diffuse to help purify the air of common allergens. This blend is effective for immediate relief when diluted in a roller ball and applied directly to the sinuses, just be careful to avoid the eye area. Breathe Easy Essential Oil Blend is a breath of fresh air! This clean, fresh blend contains: Eucalyptus, Lemon. Tea Tree, Cypress, and Peppermint Essential Oil.