Scalding caused by boiling water
Classification of burn wounds:
First degree: Skin reddening and superficial swelling, painfulness affecting the epidermis. Fully reversible
Second degree: Blistering, severe pain. (a) full recovery (b) scarring. Dermis and epidermis are affected
Third degree: black and white necrosis, no pain because nerve endings are destroyed. Dermis and subcutis are affected, irreversible.
Fourth degree: Charring, painless, all dermal layers and underlying bone and fascial tissue are affected, irreversiblesource: wikipedia (free translation)
