Thus milk of magnesia deals when the first Derma ProMedics cause of acne and controls those breakouts. Milk of magnesia with comprises of antibacterial properties. It acts as a disinfectant to kill acne causing organisms called P acnes. This chemical substance along with stops acne infection from extending to relationship parts of the twist and thereby prevents it from worsening association. http://rockhardfacts.com/derma-promedics/