Treat yourself to this all natural blend of herbs, minerals, vitamins C,A,K,E, Arnica, Calendula and botanicals that will help alleviate stress and tension while leaving your skin feeling soft and shine with a healthy glow. The RX Therapy crystals help soothe sore muscles, target specific ailments and replenish your body with vitamins. Spazazz aromatherapy crystals are an affordable indulgence that will enhance your hot tub experience every time you get in. The crystals moisturizing botanicals increase skin hydration and the long lasting aroma's soothe your senses. The crystals are specially formulated for use in spas, hot tubs and bathtubs. They won't effect your hot tubs water in any adverse way or leave oily residue behind.