This shop has been compensated by Collective Bias, Inc. and its advertiser, Colgate-Palmolive. All opinions are mine alone. #OpticSmiles #CollectiveBias. As a trained Scientist, I always think of things like a science experiment. I go through the scientific steps of forming a Hypothesis and then conducting test to see if I prove my Hypothesis right or wrong. Admittedly, I’m very self-conscious when it comes to my smile. I love coffee and teas, but I hate the stains they can leave behind  So, when Colgate released their new Colgate® Optic White® Express White Toothpaste that promises whiter teeth in just three days* with…

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