A Whiter Smile in 1 Tube. Crest Complete Plus Extra Whitening Toothpaste is enamel safe and is specially formulated to whiten by gently polishing away surface stains to help the natural whiteness of your teeth shine through. The Improved Formula with Active Foam + Whitening helps fight cavities, tartar, and removes surface stains. Plus, Crest Complete Extra Whitening Toothpaste leaves your breath feeling refreshed.