Each ultra-soft, disposable cap is pre-moistened with rinse-free shampoo, conditioner and detangler. Dirt and oils are absorbed into the cap's fabric lining, leaving hair feeling clean, soft, and healthy. Plus, there's no need for running water or the potentially dangerous situation of getting into a tub. And it's warmable, providing the ultimate in comfort. The easiest hair care ever, and it feels great! Effectively cleans EEG gel, blood, iodine, etc.