Our belief at tresemmé we're committed to equipping women to look, speak and act with presence through professional-grade products know-how and tools. Opoweryourpresence why use deep cleansing shampoo? The professional-quality formula with multi-vitamins cleanses away build-up and with impurities that can weigh the hair down and diminish its natural shine. Ours cleanses gently and effectively, for fresh and purified hair every day.