1, severe flat nose deformity, nostril exposure deformity (nose facing the sky), total nose reconstruction surgery, when scaffold materials are needed, autogenous costal cartilage must be used, and larger artificial materials are easy to cause complications.

2. Plastic surgery failed many times, and materials must be plastic and filled, and only autogenous costal cartilage can be used.

3. The requirements for augmentation rhinoplasty are extremely high, and we don't want any abnormal situation in the later stage of operation, which is very exclusive to customers of artificial materials. 1, rich sebaceous glands or rosacea in the nose;

2. People with allergies;

3. The age below 18 is in the development stage;

4. The mental state is unstable or there is doubt about the filling material;

5, facial or physical infection.