Circulate Essential Oil by Earthsavers is full of fresh, detoxifying 100% pure essential oils. Grapefruit and ylang ylang smell great and purify the air. Cypress oil stabilizes mood and energy. When used in a diffuser, circulate will help to eliminate tough odors and purify the air. All Earthsavers essential oil blends are crafted with 100% pure therapeutic grade essential oils and are never diluted with carrier oils.