Shanglaite's professional beauty device PDT for skin repair is a powerful tool that leverages the principles of photodynamic therapy to address various skin issues and promote healing. When the device emits specific wavelengths of light, usually in the red or near - infrared spectrum, onto the skin treated with photosensitizers, a photochemical reaction occurs, generating reactive oxygen species (ROS). ROS play a crucial role in skin repair. They stimulate the production of growth factors, which are essential for cell proliferation and tissue regeneration. In the case of damaged skin, such as after an injury, burn, or surgical procedure, the PDT - induced production of growth factors helps accelerate the healing process by promoting the growth of new blood vessels, collagen, and skin cells. Moreover, ROS have antibacterial and anti - inflammatory properties. They can effectively kill bacteria on the skin's surface, making the device useful for treating skin infections and preventing post - injury or post - surgical infections. The anti - inflammatory effects of ROS reduce redness, swelling, and pain associated with damaged skin, creating a more favorable environment for repair. The professional PDT device is also equipped with adjustable settings, allowing skincare professionals to customize the treatment according to the specific needs of each patient. From adjusting the light wavelength and intensity to controlling the treatment time, these customizable features ensure that the skin repair treatment is both effective and safe. With its advanced technology and professional - grade performance, Shanglaite's PDT device offers a reliable solution for skin repair.