Rashfree cream is a brand of Benzalkonium chloride and Zinc oxide. Zinc oxide is a topical skin product that is used as a protective coating for mild skin irritations and abrasions. It can promote the healing of chapped skin and diaper rash. Zinc oxide works as a mild astringent and has some antiseptic properties. Zinc oxide is commonly used to prevent or to treat diaper rash by forming a protective barrier between the skin and the diaper. Directions for Use Change wet and soiled diapers promptly. Clean the diaper area and allow it to dry. Apply Rashfree cream as often as necessary, with every diaper change, particularly at bedtime or when the skin may be exposed to wet diapers for a long period of time. Use under Medical Supervision.