A composition is described that includes benzoyl peroxide. The composition can be formulated for a leave-in topical application and can be provided in the form of a leave-in foam intended to be applied to the skin. The composition can include:at least one intermediate composition,at least one gas-generating agent,at least one agent that activates the gas-generating agent, andbenzoyl peroxide.A kit or a single multicompartment container including such a composition is also described.
