How many treatments will I get out of the pen and device? June 07, 2023 13:22 Updated The pen has enough serum to cover 35 treatments. Related articles Do I have to do it every day? What's included in the kit? How long should I wear the device? How white will my teeth get? What is the whitening ingredient in the pen? How does it work? Comments 0 comments Please sign in to leave a comment.
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