Macleans whitening has a revolutionary formulation containing a unique ingredient triclene which with regular use gently whitens you teeth containing no harsh abrasives bleaches or peroxides it is meant to be used every day macleans whitenings unique cleaning system with fluoride gives you all the protection you expect from macleans brushing twice daily with macleans whitening fights plaque and tartar and helps keep your teeth and gums health and clean the invigorating taste of mac