Helps soothe during cold allergy season. Pure epsom salt eases aches and soreness from muscle pains. Menthol and camphor helps open up sinuses. Spearmint essential oil rejuvenates the mind and body. Pure epsom salt to help ease aches and pains. Menthol camphor to help clear sinuses. Spearmint to help revitalize the senses. Dr.Teal's vapor bath soaking solution combines pure epsom salt (magnesium sulfate USP) with a blend of menthol, camphor and spearmint essential oil to revitalize tired, achy muscles and open up the sinuses during cold and allergy season.