Blood vessels dilate to increase blood flow and bring immune cells to the
skin to help clean up the mess. All this causes the
redness, swelling and inflammation we associate with a
sunburn.” The
sunburn will eventually heal, but some of the surviving cells will have mutations that escape repair.The painful
redness of
sunburn will fade within a few days, provided that you do not re-expose your injured skin to the sun without using a sunblock or sunscreen. Some sun damage is
permanent, although prescription medications, nonprescription remedies and skin-resurfacing treatments may improve the skin's appearance.
