Tresemme Shampoo Expert Step-2 Volume 25 Ounce (739ml) (2 Pack) - Tresemme Beauty-Full system introduces a new way to care for your hair in this easy two step system. Using a pre-wash conditioner before shampooing reduces the weigh-down of traditional conditioners. Tresemme recommends Beauty-Full Pre-Wash Conditioner for best results. Enjoy silky smooth, healthy hair perfectly prepped for styling every day.