5.5 oz. | Our Shower Steamers are the shower alternative to bath bombs! Head Relief brings peppermint, lemon, and clove together to help relieve sinus pressure and reduce headache pains. Open package and place Shower Steamer on the tub floor where steam and water will cause it to melt slowly for a head-clearing shower experience. Ingredients: Baking soda, Citric acid, Corn starch, Epsom salt, Cream of tartar, Essential oils (peppermint, lemon, clove).