Peppermint Bath Tea Single Pack Peppermint Tea: Epsom salt, oats and essential oils Experience the relaxing treat of a bath tea. Bath tea is an easy, mess free way to take an herbal oat bath. The tea bag is full of salts, oats, dried herbs and essential oils. Add the tea bag to a tub of warm water, and soak as long as desired. When finished, simply toss the tea bag in the trash. Each package comes with ONE tea bag filled with dried herbs, oats, salts and essential oils.