Collagen: Collagen is the most natural lip filler. But don't inject too much, otherwise there will be adverse reactions and even lead to infection; Collagen is highly absorbed by the human body and can only last for 2-6 months.

2, autologous fat: autologous fat particle injection is to extract fat particles from the patient's fat accumulation, after special treatment, injected into the skin of red lips. Its advantages are small operation and quick recovery, and it can correct the fat accumulation in other parts at the same time, with almost no side effects. But the operation is more troublesome and requires anesthesia; Too much injection at one time will lead to inactive liquefaction, which will seriously affect the surgical effect.

3. Hyaluronic acid: Hyaluronic acid is one of the essential ingredients to support skin elasticity. Because of its low sensitivity and non-rejection, it is the most popular injectable lip augmentation filler in Hollywood and celebrities from all walks of life, and it is also used for subcutaneous injection to resist wrinkles. Hyaluronic acid, a filling material for lip augmentation, originally exists in human skin tissue, and has the functions of moisturizing and maintaining collagen in connective tissue. Injection of hyaluronic acid for lip augmentation is very convenient, and the injection time is short. It only takes about 10 to 30 minutes to achieve the effect of natural shaping. Hyaluronic acid has a natural effect on lip augmentation.