Photorejuvenation is the most common and most widely used of the laser cosmetic procedures. It uses the photochemical effect produced by the intense pulsed light of the photorejuvenator to stimulate the skin, causing chemical changes in the molecular structure of collagen fibers and elastic fibers in the dermis, increasing their number, rearranging them and restoring their original elasticity, thus achieving the therapeutic effects of removing spots, eliminating wrinkles and reducing pores. In addition, the photothermal effect it produces enhances the function of blood vessels and improves the microcirculation of the skin. Today lead you to understand the process of our phototherapy: 1, after the payment, signature and other formalities, the preparation before treatment: remove makeup, cleansing (foundation, etc. will affect the penetration of light) 2, photo (image is part of the medical record data, objective record of appearance, which is irreplaceable instruments) 3, lying on the treatment bed, good eye protection (with protective goggles or cotton) 4, external application of coupling agent / cold Gel (this time is mainly cool feeling, the main role of coupling agent: increase photoconductivity, facilitate heat transfer cooling local tissues, facilitate cleaning and protection) 5, photon emission (each spot is about 1.5cm × 3.5cm size, full face in close sequence over, this process will feel the burning pain and flash, the degree of pain some people describe rubber band playing feeling, some describe like a needle; although there is Protection, each launch will have a shining light, especially the treatment of the area near the eyes, and even a feeling of fire in front of the eyes) 6, the end of treatment, remove the coupling agent, clean skin (facial burning and flushing) 7, post-operative care: cold compresses, hydration, moisturizing, sun protection (three or four days after surgery will feel slightly dry skin, hydration and moisturizing as appropriate)