Whiter teeth in 10 days. Clinically Proven Whiter Teeth. Micro-Cleansing Crystals. Improved Formula. New Formula. Colgate Advanced White Toothpaste 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. Powered with dual cleaning system that removes 10x more surface stains versus a regular fluoride toothpaste. Gently polishes & prevents new stains Effectively removes stains Safe for daily use Freshens breath Fights cavities & removes plaque