Consider applying high dose for sesnitization first
Apply Squaric Acid 2% in acetone to unbroken skin
Probably not needed
Apply Squaric acid 0.2% weekly to wart
Cover with bandage
Remove after 24 hours and then wash off
Reapply on a weekly basis for 6-8 weeks
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This page was written by Scott Moses, MD, last revised on 10/21/2007 and last published on 1/5/2020.