or other ultraviolet light source exceeds the ability of the body's protective pigment, melanin, to protect the skin.
Apply cool compresses on the area and take bath with cool (not very cold) water. When going out in the sun, apply a good sunscreen with minimum spf 30 atleast half an hour before going out in the sun.
Regarding the mole that was scrapped off, it will regrow and recur. Sometimes it may be larger than the original mole even.