is a powder made from the natural mineral zinc that forms a protective barrier and is also a mild astringent with antiseptic properties. Zinc is an important part of the enzymes needed for cell reproduction and wound healing. It stimulates skin tissue repair and limits the appearance of redness. Zinc oxide is a topical skin product that is used as a protective coating for certain skin irritations and abrasions. It promotes the healing of chapped skin and nappy rash. Zinc oxide works as a mild astringent and has some antiseptic properties.