OPT is a homogeneous square wave that provides effective control over the entire treatment process, eliminating energy peaks at the beginning that exceed the treatment energy, improving safety and avoiding subsequent pulses that decay in energy and fail to reach the treatment interval, improving clinical effectiveness. Compared with traditional photorejuvenation, photorejuvenation technology with OPT technology core has superior efficacy and safety. OPT gets rid of the disadvantages of traditional photorejuvenation, allowing the doctor to apply the maximum range of energy and pulse width, thus making the treatment more effective, and at the same time it is safer for the aesthetician to receive the treatment, effectively avoiding thermal damage to the skin from the ineffective spectrum, reducing the risk of burns, and making the skin rejuvenation treatment process more gentle and enjoyable. However, OPT laser spot removal also has certain hazards, after laser treatment, some candidates may have slight redness and swelling, which can be relieved by ice compress after treatment, and can generally subside in 1-2 days, and you can wash your face and go to work as usual after OPT laser spot removal. However, after the laser treatment, you must develop the habit of sun protection to avoid new spots from growing out again. Since laser spot removal belongs to the category of medical beauty, beauty seekers must choose a regular qualified medical beauty institution for treatment.