It is virtually odorless and leaves only a fresh smell – like after a summer rain. Like all the ONA Odor products, ONA PRO is plant-based and safe to use around people, plants and pets. The ONA Mist aerosol is designed to only spray a short burst into the air. It is so powerful, that's all you need! The virtual scentless properties makes it practical to use ONA PRO Mist anywhere – and people won't realize that you are controlling odors.