The Auraglow teeth whitening pen is the best way to whiten quickly. Simply click the bottom of the pen, brush onto the teeth and reveal your whiter smile. In under 1 minute, remove stains from coffee, wine, soda, smoking, tea and more. We use the same ingredients as dentists: 35% carbamide peroxide, which is proven to lifts stains from the teeth. Our gel is also made in the USA to ensure safety and efficacy. Whiten up to 10 shades in 7 days without the sensitivity, irritation or harming your tooth enamel.