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Does the scalp need sun protection?

Sep 18, 2023 Source: Cainiu Health
Dr. Liu Qingyun
Introduction
In general, the scalp needs sun protection. Scalp sunburn refers to inflammation, pain, redness, and swelling caused by exposing the scalp to intense sunlight. The mechanism of scalp sunburn involves ultraviolet (UV) rays from sunlight penetrating through the hair and the scalp's surface, damaging melanocytes in the scalp and hair. Prolonged exposure to strong sunlight increases the risk of scalp sunburn.

In general, the scalp needs sun protection. The detailed explanation is as follows:

Scalp sunburn refers to inflammation, pain, redness, and swelling caused by exposing the scalp to intense sunlight. The mechanism behind scalp sunburn involves ultraviolet (UV) rays from sunlight penetrating through hair and the scalp's surface, damaging melanocytes in both the scalp and hair. Prolonged exposure to strong sunlight increases the risk of scalp sunburn. Symptoms of scalp sunburn include redness, swelling, pain, and a burning sensation. In severe cases, blisters, large vesicles, and peeling of the scalp may occur. Additionally, hair may also be affected, becoming dry, dull, discolored, split-ended, or even leading to hair breakage.

It is recommended that individuals avoid direct sunlight as much as possible, since UV exposure is greatly reduced under tree shade or building shadows. If sunburn is severe, patients should seek medical attention promptly to prevent delayed treatment.


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