In the field of medical beauty, there are several common whitening methods that can help improve the color of the skin. Here are some common treatments: 1. **Laser whitening**: Lasers can target melanin in the skin to reduce spots and dullness. Common lasers include freckle lasers, intense pulsed light (IPL), etc. 2. **Chemical peels (chemical peels)**: By using chemical solutions to remove the surface layer of the skin and promote skin regeneration, thereby improving skin color. 3. **Photorejuvenation**: This is a non-invasive beauty technology that uses light energy to improve skin texture and color, and can effectively lighten spots. 4. **Microneedle beauty**: Microneedles stimulate the skin to promote collagen production, and whitening essence can be combined during the treatment process to enhance the effect. 5. **Whitening injection**: Inject whitening injections containing ingredients such as glutamine and vitamin C to improve skin color. Before choosing a medical beauty method, it is recommended to consult a professional dermatologist or medical beauty expert to choose the treatment plan that best suits you based on your specific situation. At the same time, please pay attention to the reasonable use of sunscreen products to avoid skin problems caused by sun exposure again.