Q-switched laser treatment for age spots has many advantages. Age spots, also known as senile warts, mainly occur in people over the age of 50, but it is not uncommon for them to appear before the age of 50. Age spots are often multiple and can appear on any part of the body, most commonly on the head, face, trunk, and upper limbs. In the early stages, the lesions are flat papules or patches, ranging in color from skin-toned to brown. The surface is smooth, but as one ages, they gradually increase in size, forming clearly defined spots that may slightly protrude, with colors ranging from brown to black. They are symmetrical in shape, relatively regular, and vary in diameter from a few millimeters to a few centimeters. The progression of the condition is slow and gradual, with no spontaneous resolution, although cancerous changes are extremely rare. Histopathological examination shows excessive oxidation, with papillomatous hyperplasia primarily composed of basal-like cells, with the base level with the adjacent normal epidermis. In light of these conditions, Q-switched laser treatment can be used for age spots. This treatment can reduce the appearance of age spots and make the skin surface smooth. Generally, after 2-3 treatments, patients can achieve smoother skin with lesion colors approaching normal skin tone. There are many advantages to using Q-switched laser treatment for age spots, including minimal damage, no destruction of the skin surface, allowing patients to continue washing their faces normally, thus enabling large-scale treatment.
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