Benzoyl peroxide is an antibacterial agent that reduces P. acnes, the bacteria responsible for acne breakouts. As an added bonus, it also helps “dry up” existing blemishes.
Available both over-the-counter and by prescription in strengths ranging from 2.5% to 10%, benzoyl peroxide was one of the first acne treatments to become widely available.
When starting out with benzoyl peroxide, it’s recommended to use it on alternating days, so your skin has an opportunity to adjust. You may find it drying or irritating, so cut back if you feel your skin getting too dry.
And be careful when applying benzoyl peroxide at bedtime-it can bleach fabric. You may want to put away the nice pillowcases; and if you use it on your neck or chest, be sure to wear an old t-shirt.
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