The Rapid White Blue Light System Whitening Kit is an effective treatment which whitens teeth up to 12 shades* whiter in only 2 weeks. The total duration of the treatment is 2 x 4 minutes per day for 2 weeks. Easy to use and convenient, the Rapid White Blue Light System is designed to be used in your own home comfortably with minimal fuss. Inspired by the whitening treatments available in dental surgeries, the blue light treatment helps you get a whiter, brighter, younger looking smile. Includes a professional tooth shade guide to monitor your progress. Includes a neutralising mouth rinse for aftercare. Clinically proven & peroxide-free *measured on the Bioform- scale. 69 Advantage card points. Rapid White Blue Light Tooth Whitening System is a gentle treatment which whitens teeth up to 5 shades whiter with 2 hours blue light treatment helping you get a whiter, brighter, younger looking smile without using peroxide.