For all hair types.Cleans, protects & nourishes. If you shampoo more than once a day, Prell Active Frequent Use Shampoo fits your lifestyle. That's because it's specially formulated to deep clean dirt and perspiration from your hair without drying your hair. Prell Active's vitamins and nutrients nourish your hair, while its UV inhibitors and antioxidants help to protect your hair from the harsh environment. And it always rinses clean, leaving no soapy residue.