Colgate advanced whitening toothpaste helps teeth stay whiter for longer it keeps teeth white by removing stains whilst preventing new ones they are so healthy they shine colgate whitening also ensures your teeth stay as healthy and strong by gently polishing enamel fighting tartar cavities and plaque how do i best care for my teeth as an adult the key to keeping a bright healthy smile throughout adulthood is to practice proper oral hygiene even adults can get cavities as well as gum