This is a simple product. think of it as a pantyliner for your armpits. It works the same way. Sometimes they stay in place, sometimes not. I don't wear them everyday, but if I am going to give a presentation or be someplace where I think I might be excessively sweating, this helps. I also have a few silk blouses that I use with these; seems like those show every tinly little drop of moisture, no matter what.Recommend. Not perfect, but definitely good to help curb those embarrassing pit stains!
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