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Amazon [amazon.com] has 2-Pack 4.2-Oz Colgate Optic White Charcoal Toothpaste w/ Fluoride (Cool Mint) for $ 9.98 – $ 1.40 – 20% when you ‘clip’ coupons on product page – 5% when you check out via Subscribe & Save = $ 6.08. Shipping is free with Prime or on $ 35+ orders.

Price:
$ 4.92 lower (45% savings) than the list price of $ 11
$ 3.90 lower (39% savings) than the previous price of $ 9.98