In people’s impression, injection is a painful thing, let alone sticking needles in the face. So before you take a face-slimming injection, in addition to the price of face-slimming injection, you will be extra concerned about whether it hurts to take a face-slimming injection in the end, the following is a brief explanation of this problem. 1, the main component of the face-slimming injection is botulinum toxin, its main role is to interfere with the release of a substance from the motor nerve endings, thus making the muscle fibers can not be contracted, so that the biting muscle atrophy, and finally reach the effect of face slimming. The pillow of the injection is very tiny, in the process of injection, the pain is very slight. 2, even if you are usually sick and cold need to take a shot, after the injection site will be slightly uncomfortable, and the face is more sensitive compared to other parts of the face, so there will inevitably be a slight redness and swelling after the injection, generally speaking, about a few hours to a day or two later, this symptom will disappear on its own, the specific disappearance of the time to be based on the individual’s physique. 3, as I said earlier, even if you play the thinning needle is also considered a certain minimally invasive surgery, after playing the thinning needle should also pay attention to the maintenance of the postoperative period, try not to eat some spicy and stimulating food, so as not to cause discomfort in the face. Now we already know that the pain of playing face slimming injection is very mild, so people who need to take the injection can not worry too much, as long as attention is paid to the maintenance of the injection, face slimming will not bring a lot of pain.