
I am writing this review only as a warning to others. I developed a severe allergic reaction to these strips on my lips. Both lips were swollen to three times their normal size and required a doctor's visit and prednisone to go away completely after a few days. Although the strips do not contain peroxide, there are some 'natural' ingredients that I am clearly allergic to. Check ingredients carefully and look out for signs of swelling, redness and blistering after first use and discontinue use if signs appear. .

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