Clinically proven whiter teeth. Micro-cleansing crystals. Whiter teeth in 14 days. Effectively removes stains. Gentle for daily use. Freshens breath. Fights cavities & removes plaque. Colgate Advanced White with Active micro-cleansing crystals is clinically proven to gently polish and effectively whiten your teeth. It also helps prevent new stains from adhering so your teeth stay whiter for longer. Save Water Turn off the tap while brushing