Most of the darkening caused by ultraviolet rays will gradually return to normal skin color, but there are a few cases that cannot be recovered.
Ultraviolet radiation will cause the melanocytes to be active and the secretion of melanin particles to increase, causing the skin to become darker, which is a normal physiological phenomenon. Skin that has been darkened, as long as you do a good job of strict sun protection, strengthen skin care, eat more fresh fruits and vegetables to promote metabolism, usually after 4-6 months, the skin can gradually return to the original state.
Ultraviolet rays cause damage to the integrity of the skin on the face, inhibit the repair ability of the skin tissue, restore normal skin color will need to go to the hospital in time to take the appropriate treatment measures, in order to gradually recover. For example, laser treatment can increase the metabolism of the skin, so that the pigmentation will be further lightened and gradually restored to the original normal skin color.
If the darkening of the face caused by ultraviolet rays does not recover on its own, it is necessary to go to the hospital in time for examination to clarify the cause of the disease and follow the doctor’s instructions.