Filler injection is a non-surgical cosmetic method, using biological fillers - usually hyaluronic acid - to inject into areas such as the nose, chin, lips, smile lines, temples, etc. to help shape, fill or rejuvenate the skin immediately. The advantages of the method are that it is quick, non-invasive, has a quick recovery and brings high aesthetic results in a short time.

Nowadays, many people choose this method to improve their appearance because it is more convenient and less risky than traditional cosmetic surgeries. However, is this method really safe? Are there any potential risks or complications? Let's find out the details in the article below.