The seaweed extract is high in minerals and vitamins that work to strengthen your hair and add volume. This shampoo bar is sure to give you a silky shine without the chemicals in regular shampoos. Say good-bye to synthetic fragrances & parabens! Each bar lasts up to the equivalent of three 250ml plastic bottles (60-80 washes). Pair with nope.'s into the deep conditioner bar for best results.