About Zinc oxide Zinc compound, A sunscreen,antipruritic. Mechanism of Action of Zinc oxide It works by providing a skin barrier and helps in healing and prevent skin irritation. It acts as a sunscreen which absorbs incident solar radiation in the UVA ranges and reduces its transmission to the skin. About Dimethicone Oral anti -foaming agent, a flexible silicone polymer, Antiflatulent ,Antibloating agent. Mechanism of Action of Dimethicone Activated Dimethicone relieves flatulence by dispensing and preventing formation of mucus surrounding gas pockets in the gastro-intestinal tract. It lowers the surface tension of the gas bubbles and bringing together all the small bubbles of gas (coalesce) to form a large bubble, which is then expelled. Thus the gas is freed by belching or passing flatus. Antiflatulents are added to an antacid gum coating to be effective antigas materials and eliminate trapped gas. The most common antigas material is Dimethicone and when mixed with silicone