How do you use the Crest 3D Whitestrips? Simply apply the Crest 3D whitening strips to your top and bottom teeth for 45 minutes a day. Or, apply the one-hour express treatment to your teeth for 60 ...
For shoppers looking for just that, Amazon Canada's Prime Big Deal Days sale on Crest Whitestrips will certainly give you something to smile about. Until tomorrow, Oct. 9, shoppers can save 49 per ...