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Physicians in China observed clinical changes while using a Q-switched Ruby laser to treat patients with facial hyperpigmentation, avoiding the adverse effects of other treatments. These physicians tested 156 patients for intervals of 3-6 months. Patients had a variety of lesions, including ephelide, nevocytic nevus, and seborrheic keratosis. Some patients had lesions on two or three facial areas. The trial used a QSRL (Q-switched Ruby laser) at 694nm for treatment with pulse frequency of 1 Hz. At the conclusion, the treatment's results were extremely favorable. For more detail, read the complete report.
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