Brush with Crest 3D White Brilliance Whitening Boost after your everyday toothpaste to amplify results. Specially formulated with Hydrogen Peroxide to boost stain removal*. Step 1. After brushing with Crest 3D White Brilliance (or your everyday toothpaste), apply to toothbrush, Step 2. Brush for 1 minute, Step 3. Rinse & Spit.