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Crest SupremePosted on January 15, 2010. How long does it take to see results for Crest Whitestrips Supreme? I used the regular, pro, and now trying to tip I get where I've used it for a few days straight and then once a week or two if I need something to work far right and then gradually keep as I am very busy. So how many uses does it take to really see results with supreme? Thank you About 3 days. CommentsThere are no comments.Leave a Comment | Popular My Friends |