Polished London Whitening Gel Refills are formulated and tested by UK Dentists and contain the advanced active whitening ingredient PAP to deliver a brighter, whiter smile. Designed to work with the Polished London LED Whitening System. Clinically proven formula 10 or 15-minute treatment Zero sensitivity Peroxide-Free Formulated by UK Dentists Vegan-Friendly Safe, effective and easy to use, our clinically-proven Teeth Whitening Kit helps you to achieve a whiter, brighter smile from the comfort of your home. The award-winning Polished London system combines advanced LED Dual Light Technology and an enamel-safe, peroxide-free PAP formula that has been developed and tested by UK dentists to provide an effective whitening treatment with zero sensitivity. At the push of a button, you can switch between an accelerated whitening option (Blue mode) and the combined whitening, sterilising and odour reduction option (Blue & Red mode). Vegan- Friendly. Formulated by UK Dentists.