This mainly depends on the different injection sites and materials. For example, injection wrinkle removal, the degree of pain is completely acceptable, and anesthesia is not needed; But most patients will feel pain, so they will use local anesthesia.

In addition, anesthesia will vary from person to person. For example, surface anesthesia is generally used for nasolabial groove, nose and mandible injection, which is basically acceptable to patients; However, patients with high sensitivity to pain must use local infiltration anesthesia or tissue anesthesia to get a better injection experience.