Derma Shield is a safe, non toxic, non greasy foam that when applied to the skin forms an invisible barrier to protect against all external irritants/pollutants. An essential kit item to apply in-between the skin and the piece/product to prevent reactions or damage/stress to the skin whilst allowing the skin to breathe & perspire naturally. Temporarily protects and helps relieve chapped or cracked skin. Helps protect from the drying effects of wind and cold weather.