Intense pulsed light treatment steps I. Intraoperative operation process 1. Before treatment, the medical staff will apply 1-2mm thickness optical coupling gel outside the treatment area, while placing the treatment handpiece on the skin with minimal force, keeping the treatment head close to the skin and moving parallel on the skin surface. 2. At the beginning of the treatment, the attending physician should first conduct a trial light spot treatment in the preauricular area, observe the immediate response of the patient, and then adjust the parameters according to the response and gradually treat from the preauricular area to the whole body. Precautions 1, the treatment should avoid the upper eyelids; avoid covering the eyebrows, male beard and other hair areas (except for hair removal); shield the pigmented nevus lesions; the treatment should not overlap too much (10%-20%), and should not be missed; for the forehead, jaw and other parts should be properly reduced energy. 2. The attending physician should readjust the parameters for each treatment. For sensitive skin, the energy setting should start from low energy; gradually increase the energy according to the response and the tolerance of the patient; when treating vascular lesions, the epidermal cooling can be turned off to facilitate the absorption of photon energy by hemoglobin in the blood vessels. 3, close observation of adverse reactions during treatment. During the treatment, if the candidate has mild to moderate stinging and burning sensation, the attending physician should promptly apply cold compresses. At the same time, ask the candidate’s feelings, help him/her to divert attention to relieve discomfort. Second, postoperative treatment 1, after surgery to clear the coupling gel, can be used to rinse the face with cold running water, then cold spray or non-ice water cold compress, the conditions can be selected according to the different symptoms of the corresponding medical mask cold compress or wet compress external ice pack 15-20 minutes, until the erythema reaction, skin burning and stinging disappeared. 2. Forty-eight hours after surgery, it is recommended to cleanse the face with cold water, choose a mild cleanser, avoid scrubbing, and avoid using makeup-effective skin care products as much as possible. Those who are in a position to do so can use medical masks and medical skin care products. 3, avoid the sun, regular use of sunscreen. Tips: What is a medical mask (also known as mechanical mask)? The medical mask also belongs to the category of mask, but different from the ordinary mask is that the ordinary mask for “health makeup”, while the medical mask for “mechanical”. The makeup mask: production management is more relaxed, as long as the ingredients are qualified, the production plant as long as the health supervision and management regulations can be met. The effect of a super multifunctional (main one effect, with a bunch of effects), but usually the effect is not obvious. Commonly found in beauty salons, supermarkets, stores and so on. The mechanical mask: ① using aseptic production, can directly act on the wound. ②The formula is streamlined, without adding any non-effective additives. ③Professional and effective, to ensure clinical efficacy. ④Efficacy is clear, targeted repair. The mechanical mask can usually be purchased in pharmacies, medical beauty institutions, hospitals. Compared to ordinary face masks, mechanical masks are safe and sterile, with a single efficacy, suitable for special groups of people. Supplementary: national word, health word, health word, makeup word, product word, raw word, elimination word, etc. are not drugs.