Original Prell Shampoo for Normal to Oily Hair is the same green Prell Shampoo you've always loved. Original Prell lathers richly, lifting away the dirt, oil and build-up that can leave hair feeling limp and lifeless. Then Original Prell's water-based formula rinses clean, leaving behind no heavy deposits on your hair to weigh it down. The result: hair in great condition and still feeling irresistibly Prell clean. Prell offers you an entire line of water-based shampoos and conditioners that leave your hair in great condition but still feeling irresistibly clean.