What are doctors' recommendations to cure acne while taking a shower?

Take your Rx there: Home remedies for acne will probably disappoint you, but evidence-based meds (benzoyl peroxide, prescription meds from your doctor) actually work and keep it at bay. Don't let someone's aversion to scientific medicine, or the false idea that acne shouldn't be treated because it eventually self-cures, keep you from getting the health care that you need.