Increase mental clarity and concentration with our Focus Aromatherapy Blend! * Our Aromatherapy Inhalers are a convenient way to experience the benefits of aromatherapy almost anywhere. These proprietary, therapeutic blends are formulated and packaged for inhalation usage. The handy inhaler easily fits in a pocket, briefcase, or purse, so you have it when you need it most! After opening, each inhaler lasts three months or longer depending on usage and storage conditions.