The Colgate Optic White Overnight Teeth Whitening Pen gently whiten your teeth while you sleep. In as little as a week (two weeks of treatment is recommended for best results), the teeth whitening gel pen formula whitens your teeth up to two shades and has 15X more whitening power in 1 treatment versus brushing alone).The Colgate Optic White Renewal is our best whitening toothpaste. It contains 3% hydrogen peroxide, a professionally recommended whitening ingredient proven to deeply whiten beyond surface stains. This teeth whitening toothpaste removes 10 years of yellow stains when brushing twice daily for 4 weeks.The Colgate 360⁰ Advanced Optic White soft whitening manual toothbrush features an advanced multi-action bristle design (vs. an ordinary flat trim toothbrush) and an innovative cheek & tongue cleaner design to remove bacteria from teeth, tongue, cheeks, and gums. Colgate Optic White High Impact White whitening mouthwash contains 2% hydrogen peroxide to effectively whiten teeth by removing surface stains. This alcohol-free mouthwash (does not contain ethanol) is available in a Sparkling Fresh Mint flavor to freshen breath while whitening teeth and contains Whiteseal technology to help prevent future stains. The mouthwash's action reaches hard-to-brush places, helping to whiten teeth and freshen breath. For an extra white smile, use after brushing with Colgate Optic White toothbrushes and toothpastes.