How should I clean the pen brush? June 17, 2021 13:11 Updated To clean, simply wipe the bristles with a tissue. Do not use water. Related articles Is the pen safe for enamel? What if I am unhappy with the results? The packaging says the product is flammable, can you travel with it on an airplane? Why should I choose this whitening pen? Does the pen cause sensitivity? Comments 0 comments Article is closed for comments.
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