Brighten your smile at home with the Philips Sonicare Teeth Whitening Kit Advanced. This professional-grade kit features 9.5% hydrogen peroxide whitening gel and custom moldable trays for a comfortable, even fit. Clinically proven to whiten teeth up to 5 shades in just 9 days, it’s safe on enamel and easy to use. The kit includes reusable trays, gel syringes, a tray case, and a shade guide—everything you need for a brighter, more confident smile.