Set includes 10ml bottle of Bergamot,Lemon,Peppermint, Tea Tree, Cinnamon, Lemongrass, Rosemary, Wintergreen, Eucalyptus, Mandarin, Spearmint, Lavender, Mint,Sweet Orange 100% Pure therapeutic essential oils. No fillers, additives, bases or carriers added Uses - aromatherapy, custom massage and body oils, vaporizer, diffusion, oil burner, inhalation, compress, perfume, blends, spa and home care, cleaning products The Pursonic Essential Oils can be used with compatible aroma diffusers or many humidifiers, by adding a few drops of oil to the water The diffusers & humidifiers will release a scented vapor into the atmosphere