Classic Prell Shampoo is an exclusive, water-based formula designed specifically to leave hair ultra clean. Prell's thick, rich lather gently lifts away daily build-up of residue, dirt, oil and perspiration and leaves hair looking healthy and shiny. Classic Prell is alcohol-free, so it cleans your hair without causing dryness. Prell rinses away easily, leaving you with healthy hair that is Prell clean, full-bodied and shining.