Overview of Benzoyl Peroxide (BPO) As an Acne Treatment

A popular topical medication with keratolytic, antibacterial, and anti-inflammatory qualities is benzoyl peroxide (BPO). Because of its capacity to lower populations of Cutibacterium acnes (previously Propionibacterium acnes) and reduce inflammation within the pilosebaceous unit, it is mostly used to treat acne vulgaris. As a strong oxidizing agent, BPO breaks down bacterial cell walls by producing reactive oxygen species. Furthermore, it promotes pore unclogging and prevents comedone formation by facilitating the shedding of dead skin cells. BPO is often combined with other acne therapies, such as topical retinoids or antibiotics, to enhance efficacy and reduce bacterial resistance. Common side effects include dryness, redness, and irritation, which can be mitigated by adjusting concentrations or frequency of application. Advances in formulation, such as microencapsulation and water-based gels, have improved tolerability. Beyond acne, BPO shows promise in treating other skin conditions, including folliculitis and as a decolonization agent for Staphylococcus aureus. Despite its benefits, appropriate use and patient education are crucial to minimize side effects and optimize outcomes.