1. The reasons for the failure of hair transplantation include: poor density after hair transplantation, low survival rate of hair follicles, disordered and unnatural hair growth direction, uneven hair growth and so on.

2. There are two main reasons for the failure of hair transplantation:

First, the hair transplant hospital chosen by patients is irregular, and the technology and doctors of such hospitals are not up to standard, which leads to unsatisfactory hair transplant surgery.

Second, the patient is not satisfied with the postoperative effect. From this point of view, hair transplant surgery is also unsuccessful. These two suggestions can be repaired by hair transplant surgery. Patients must go to a regular hair transplant hospital for surgery, so as to ensure the effect.

3. What if the hair transplant operation fails? As long as there are enough hair follicles in the occipital region, it is possible to have a second hair transplant failure repair operation to solve the hair transplant failure. Whether the hair can be transplanted again must be tested in a professional hair transplant hospital to determine whether the hair follicles are sufficient. It is particularly important to choose hair transplant hospital and hair transplant technology for the second hair transplant. If the operation still fails, it may lead to the inability to replant hair.