- Groupon offers
Crest 3D White Luxe Whitestrips Professional Effects (20-Pack)
for $29.99 via coupon code "DEALMOON". - Free shipping on orders over $34.99.
Removes 14 years of teeth stains for a whiter smile，Delivers professional-level teeth whitening results，Advanced Seal Technology's no slip grip stays put so you can talk and drink water while whitening teeth
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