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A member asked:
How to tell if i am having an allergic reaction to benzoyl peroxide or is this a normal side effect?
A doctor has provided 1 answer
Depends: Bp's function is to kill bacteria, dry & exfoliate the skin--so some irritation & reddness can be expected--it comes in 2 concentrations over the counter: 5% & 10% (5 harder to find, can "thin" w/skin lotion). If that solves it--then not allergy. If really itchy / any hives, reddness spreads beyond just where applied--could be allergic.
Answered 2/12/2013
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