In recent years, laser cosmetic surgery is a new non-surgical cosmetic method that has emerged. Laser has a variety of characteristics such as high energy, specific direction, and penetrating, which can generate high heat locally in human tissue to remove or destroy the target tissue. With the development and popularity of laser cosmetology, beauty lovers have discovered this secret of solving skin problems with half the effort. Why can lasers be used for cosmetic purposes? The use of laser for medical aesthetics depends mainly on its energy and penetration. Specific lesions on the body surface can absorb specific wavelengths of laser light and destroy the lesions through energy. Different depths of lesions require different wavelengths of laser light to reach them. The shorter the wavelength of the laser, the more penetrating it is and the deeper it penetrates into the skin, while the darker the lesion, the longer the wavelength of the laser that can be absorbed. What skin problems can be solved by laser? Spot Removal: Freckles, Age Spots Spot removal is the largest area of laser treatment and can be effective for most spots on the surface of the skin. The principle is mainly to use the energy of laser to destroy the pigment and make it break down and absorb. Most of the currently applied laser treatment methods use color light systems with wavelengths ranging from 570 nm to 950 nm (color light is a treatment technology with a range of wavelengths and not a single wavelength, and the wavelength range spans the visible range of the human eye), which is performed once every 3-4 weeks and requires a total of 4-6 times to achieve significant improvements. Melasma Removal Laser melasma removal, sweep away the troubles of melasma. The small freckles on the face are like a stain that stick to one’s face, adding to the worries of many beauty-loving women, and many people choose to remove them by laser, but how much do you know about laser spot removal? The following is an introduction of how to treat chloasma with laser blemish treatment. The principle of laser treatment for melasma: Using high-intensity light beam with specific wavelength is absorbed by pigments or tissues in the skin, the laser breaks down the melasma pigment substances deposited in the skin in nano-level time to make them decompose, and promotes the circulation of the skin at the base to reduce the thermal damage effect of the treatment on the surrounding skin. When the melasma pigment particles are gradually absorbed by the body, the color of melasma will become lighter and finally disappear completely after several treatments. Melasma treatment process is safe, less painful, no scarring and has rejuvenating effect, which is the most ideal method for melasma treatment. Laser treatment of melasma lesions generally requires several treatments, with each treatment interval of about 3 months. The reason for the longer interval of melasma treatment is to allow the broken pigment to be fully absorbed and then continue to break up the residual pigment. Treatment of congestion: capillary dilation, red face Capillary dilation is mostly seen in fair-skinned patients, and the laser applies its photothermal effect to close the blood vessels to achieve the treatment effect. Currently, it is mostly treated with 540nm-950nm color light system, about once a month, requiring 4-6 times in total. Hair removal Hair removal is also an important part of laser treatment, especially in the armpits, extremities and perioral area, where it is most widely used. The principle is to use the laser energy to destroy the hair follicles and make the hair fall off, and there are obvious effects after 1 time. Currently, most of the treatments are done with 650nm-950nm color light system, about once a month, and a total of 3-4 times are needed. Treatment of acne Laser treatment can only be used for mild to moderate acne. Laser treatment should not be chosen for severe cases or when infection is present. Laser treatment can be done in conjunction with combined dermatological medication. Laser treatment for acne is different from the previous types of lasers. The wavelength range of the laser chosen is 420 nm-950 nm, and the treatment cycle is twice a week, requiring about one month of continuous treatment before the results are obvious. Peeling: skin tightening and wrinkle removal The intense pulsed light of the laser acts on the skin tissue, producing photothermal and photochemical effects, which can rearrange and regenerate the deep collagen and elastic fibers and restore elasticity; make facial skin wrinkles disappear or reduce, pore reduction, and play a role in skin rejuvenation. Currently, it is mostly treated with 780nm-950nm color light system, about once every 3 weeks, with 2-3 times of treatment recommended. What is the most suitable season for treatment? Although it is recommended to avoid sun exposure after laser treatment, since the treatment cycle usually lasts for several months, there is no strict requirement for the season. The most important thing is personal protection, such as the use of umbrellas and sunscreen. Sun protection should be observed both before and after treatment, and exposure to the sun or sunbathing should not be allowed.