Place your puck on the shower floor, with the water at the temp you would step into and let the steam surround your body with essential oils in a therapeutic sauna experience. Ingredients: Sodium Bicarbonate, Citric Acid, Zea Mays Starch, Sodium Chloride, Citrus Paradisi Oil, Citrus Aurantifolia Oil, Maranta Arundinacea Root, CI 19140, CI 42090, Limonene 60g