About this item 
    
   
 8 bright on premium whitening pens (2 full whitening treatments)  
  
 Results last up to 6 months, per 1 week treatment.  
  
 Up to 9 shades whiter in just one week.  
  
 Same enamel-safe whitening agent used by dentists.  
  
 Whitens with low to no sensitivity.  
  
 Helps remove years of tough stains.  
  
 Hands-free, smartphone-powered LED accelerator light, so you can brighten on the go. 20-LED light for maximum results.