Hydrogen peroxide has appeared in medicine cabinets around the world for decades. People claim that it has a variety of medicinal and industrial uses for everything from disinfecting wounds to cleaning surfaces. Studies and tests have debunked the vast majority of these claims, but hydrogen peroxide does have some legitimate uses.
A person develops acne when oil and dead skin cells clog their hair follicles, or when bacteria like Cutibacterium acnes (C. acnes) damages the skin and causes inflammation. Hydrogen peroxide is an effective disinfectant that can kill this bacteria, improving acne symptoms. Because C. acnes can lead to conditions like chronic blepharitis and endophthalmitis, some medical professionals have begun using hydrogen peroxide solutions before surgeries. People at home should never use a solution with more than 3% hydrogen peroxide, and discontinue use if they have any adverse side effects.
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