Complex sentence: In the skin follicle, benzoyl peroxide kills "P. acnes" by oxidizing its proteins through the formation of oxygen free radicals and benzoic acid, which is thought to interfere with the bacterium's metabolism and ability to make proteins.
Split into simpler sentences: In the skin follicle, benzoyl peroxide kills "P. acnes" by oxidizing its proteins through the formation of oxygen free radicals and benzoic acid. These free radicals are thought to interfere with the bacterium's metabolism and ability to make proteins.