Wouldn't it make more sense to brush your teeth before using Crest White Strips?
I would think they would be more effective if you had clean teeth.
Crest tells you not to brush your teeth before using their strips so you don't get gum irritation.
I would think they would be more effective if you had clean teeth.
Crest tells you not to brush your teeth before using their strips so you don't get gum irritation.