Smilepen POWER Whitening gel, set of whitening gel pens (3 x 6 ml)The Swiss brand SwissWhite has developed home whitening Smilepen with clinically proven effects. A big advantage over traditional whitening gel in form is the simple and precise application of the gel using a pen with a brush. Lightening is already visible within one week and dental plaque is reduced. The gel with this composition is intended for intensive whitening using a wireless LED accelerator, which has diodes in the blue and red color spectrum.