It is not uncommon to see men and women who have experienced some slight hair loss due to prolonged exposure to the sun and its ultraviolet radiation. Some 3 to 4 months after vacationing in a very sunny place, an individual of either sex may notice that they are excessively shedding hair from their frontal regions and along the hairline. He or she may also notice some slightly increased shedding in other areas as well.
This hair loss may be due to the temperature increase similar to that seen in cases of hair loss that occur after a severe fever or it may be related to the inflammatory phenomena caused by sunburn, if there is evidence of such.
In most cases, hair loss from too much exposure to the sun is not permanent and should resolve itself. But this kind of hair loss can be avoided by keeping your scalp properly covered while out in the sun for long periods of time.