Sunburn, also called erythema, is one of the most obvious signs of UV exposure and
skin damage. Often marked by redness and peeling (usually after a few days),
sunburn is a form of short-term skin damage.'
'Sun tan - The increase in skin pigment, called melanin, which causes the tan color change in your skin is a sign of damage.'
'Sometimes referred to as “photoaging,” premature aging is the result of unprotected UV exposure.