The first part, and the one most people getting hair transplant surgery are interested in, is the hairs. There should be one to four full hair follicles in the unit and one or two fine hairs as well. There are sebaceous glands in the follicular unit which produce oil. The follicular unit is a living unit with muscle, nerves and blood vessels that are all tiny enough to fit into this small package. Your usual pillows can be used, or you can buy wedge-shaped pillows made for this purpose. On the other hand, you do not want too much blood flow. You should get plenty of rest after your hair transplant surgery. For the first few weeks it is not wise to engage in any physically demanding activities. Will having hair transplant surgery change anything? You have to look long and hard at your life to answer this question. You have to determine whether the baldness is really the problem or not. The issues may be too deep for a cosmetic procedure to fix. In this case, you will have to decide if the hair transplant surgery will be worth it. The doctor will want to see how the grafts are doing the day following the hair transplant. The patient will go in for a check-up so that any problems can be corrected quickly. If that is not possible, at least plans can be made to correct them at a future time. The doctor will have done his job with the hair transplant procedure at this point. This would settle the issue of whether hair transplant would work by those methods. After their trials, they got the answer: the hair follicles themselves made the difference in the life of the hair and not where they were placed on the scalp. They termed this phenomenon Donor Dominance. Hair transplant surgery was on the horizon. Only about 5% of the patients have this problem, but it can be troublesome if it lasts more than a few days. It can keep you from eating or sleeping properly. Doctors have medications they can prescribe to help with this. 8. Infections. Infections are rare with hair transplant surgery, but they can happen.