Benox 5% Gel 20g contains benzoyl peroxide, a powerful ingredient commonly used to treat acne. It works by killing acne-causing bacteria, unclogging pores, and reducing inflammation. The 5% concentration is more potent than lower concentrations, making it suitable for moderate to severe acne. The 20g gel is designed for targeted application to affected areas, helping to reduce breakouts and prevent new acne from forming.