Hyaluronic Acid Is Safer With A Blunt Needle

Hyaluronic acid should be safer with a blunt needle, which should have a risk of about 0.8% and is a painless injection. The injection avoids blood vessels completely, prevents swelling in the face, and prevents damage to blood vessels and nerves, which is much less risky than sharp injections. However, the specific risk has a certain relationship with the operation mode. If the operation is improper in the process of surgery, it may also cause facial nerve damage