Swimming in chlorinated water may be beneficial for people with acne. The chlorine can kill bacteria and reduce inflammation, which could reduce outbreaks. Studies have also found that swimming in chlorinated water can reduce inflammation and irritation in the skin. Additionally, swimming in chlorinated water can provide a soothing and calming effect on the skin and reduce stress, which can also help to reduce acne. Therefore, swimming in chlorinated water could be a helpful way to reduce the severity of acne.