An extremely serious burn that destroys all layers of the skin. The damaged skin appears white but may well be charred. These burns are most often the result of contact with hot (400°F / 205°C) cooking oil or fat. Keep the victim warm to prevent shock. Immediately call emergency medical assistance or, if necessary, transport the victim to the nearest medical facility. Do not undress the victim unless the clothes are saturated with a liquid that is still burning. Do not touch the burn or attempt to treat it yourself beyond using cold running water to cleanse it. In an educational or professional setting, make certain that all necessary medical insurance and liability forms are completed and that all insurance and liability information is made available to the victim.