If you are looking for a truly relaxing bath experience, try a Black Rock Mud Bath Bomb! The unique mud combined with warm water is sure to cleanse and nourish your skin. Black Rock Mud products call upon the sacred, ancient tradition of using natural clay to purify and heal the skin. Mud comes from deep within the earth the way nature intended... buttery, odorless, pure...truly a rare gift from Mother Nature. This mineral rich illite clay contains over 50 naturally occurring trace elements that are beneficial and promote healthy skin, including: Calcium, Phosphorus, Iron, Magnesium, Potassium, and Zinc.