Microneedling includes radiofrequency microneedling and microneedling, any kind of treatment has its side effects and advantages and disadvantages, you can weigh and decide by yourself, talk about terrible. Radiofrequency microneedling technology is to make radiofrequency electrodes into microneedle-shaped, dot-matrix-like arrangement, emitting radiofrequency to the tissues for treatment. Microneedling involves stimulating the skin with microneedles, creating many tiny tubes in the skin, and then injecting agents into the dermis and subcutis with a syringe or aesthetic gun. Although the treatment process is effective, it can also be harmful, and do not talk about the side effects to be afraid to use it. His side effects are divided into the following points: 1. During the use of needling, pain may accompany it due to the energy emitted. 2. After treatment, there may be swelling due to edema, which usually disappears naturally within three days. 3. Slight redness may form after treatment, the length of redness varies from person to person. 4. If the energy used is relatively high, it may lead to local skin necrosis, or even infection and scar formation or hyperpigmentation. 5. If severe chloasma patients use microneedle treatment, due to the relatively large treatment area, it may aggravate chloasma, serious pigmentation and other phenomena. The level of side effects varies from person to person, so you have to weigh the pros and cons of using microneedle treatment method by yourself.