1.Extrinsic tooth discoloration(affected by coffee,tobacco,sauce,tea,food,etc)
2.Intrinsic tooth discoloration(e.g.mild fluorosis or tetracycline staining)
3.Genetically yellow teeth
4.Other cause of teeth discoloration
5.all the people who want a whiter & brighter smile.

1.Before painting the gel on teeth,please applying the gum dam firstly, then apply the whitening gel.
2.This teeth whitening gel is with two barrels , one is peroxide teeth whitening gel ,one is catalyst ingredients. Pushing plunger
, they will be automatical mixed by the minxing tip , then apply the gel on your teeth .