The aromatherapy shower steams can help to relieve stress and alleviate symptoms of cold and flu, headache and sinus congestion. So regular shower steamers simply will not do. Decongestant shower melts to the rescue! And there’s a lot to love about these cold and sinus relief shower fizzies. DIRECTIONS: Such a tablet is simply placed on the shower floor, the water turns on, the reaction begins, the fragrance or essential oils are released and mixed with hot water, so that the shower stall turns into an aroma sauna. * Handmade with Love * We use just high quality fragrance oil.