Smile4U's Advanced Teeth Whitening Kit can whiten teeth by up to 4 shades over a 7 day treatment period. 

A safe way to brighten teeth and actively remove stains caused by coffee, tea, smoking or red wine. 

This kit is easy-to-use and comfortable to wear. 

Contents:

• 3 x 3 ml Teeth whitening gel
• 1 x Silicone mouthpiece
• 1 x Blue LED light
• 1 x shade guide