The Skin

First degree burns-affect just the dermis.  Characterized with redness of skin with no blisters. Mild pain expected.

Second degree burns-have blisters and are very painful.  These burns effect the dermis and leave a hypertropic scar.

Third degree burns-penetrate the full thickness of skin and affect deep structures.  Appearance of this burn is charred, or pearly white called an eschar.

Fourth degree burns-damage blood vessels, nerves, tendons, and muscle. Referred to as char burns.