When will I start to see results? June 17, 2021 12:58 Updated You can expect to see visibly whiter teeth in just one week. Related articles Is the gel safe to swallow? How frequently can I use the pen? Can it be used daily? Will this whiten implants, crowns, caps, restorations, permanent bridges, etc.? How long does the Colgate Optic White Overnight Teeth Whitening Pen last? How many shades whiter will my teeth get? Comments 0 comments Article is closed for comments.
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