Each bottle contains 1 ounce of pure therapeutic-grade essential oil. Includes a European-style glass dropper for transferring small amounts of oil for immediate use or large amounts into smaller containers, and packaged in premium glass to protect from sunlight and degradation. Essential oil is ideally suited for use in Aromatherapy oil diffusers and accessories, combined with lotions or creams, or diluted with a carrier oil for massage and other topical applications. Oils can be used individually or mixed with others to create an ideal fragrance and benefits combination. Immunity and Health Support by Obvious is a proprietary blend of Cassia, Clove, Eucalyptus, Lemon and Rosemary oils. Used in various forms for centuries for their immune supporting properties, this formula is also sweet, invigorating and camphoraceous; ideal for freshening and cleansing. Obvious strives to manufacture and distribute quality products sourced from the finest ingredients globally, made both naturally and responsibly.