It dispenses a small amount of gel, which contains the active whitening ingredient hydrogen peroxide, onto the teeth. Unlike other pens which use a white paint-like substance to cover stains, this formula actively dissolves stains leaving long-lasting results.

Highlights:

• Whitening on the go
  
• Easy to use
  
• Removes daily tea & coffee stains
  
• Contains the active ingredient Hydrogen Peroxide
  
• 2.1ml