That is because a naturally-occurring enzyme in the body combines with testosterone to create a chemical called DHT. This chemical is responsible for the hair loss on the tops of men's heads when they have male pattern baldness. However, it does not affect the back and sides of their hair in most cases. When your hair transplant is done, the surgeon will be able to use fewer hair follicles per graft if your hair is coarse. That is because coarse hair provides more coverage. However, finer hair will tend to look more natural, if thinner. 5. Straight hair does not cover scalp like curly hair does. If you have straight hair, you can be sure that your hair transplant surgery will be a challenge to your doctor. People realize that men have receding hair lines and balding on the tops of their heads. It is not out of the ordinary to see a woman with thinning hair. Yet, look at a person without eyebrows and the effect will be disturbing. Eyebrows are just expected. Some people have hair transplant surgery to their eyebrows because the hair has simply fallen out over time. After an in-depth consultation, the doctor will do everything in his power to put off the surgery. He will ask the patient to come back for a final consultation in six months or so. Many doctors will refuse to do immediate hair transplants if they are put to the test. There are advantages to getting hair transplant surgery under the age of 25. It is a much more efficient procedure in that way. Follicular units placed during hair transplant procedures are put into tiny holes the size of needles. The insertion sites heal quickly, and they leave no marks. This makes for a much more comfortable recovery and better results. FUT hair transplant procedures can make a big difference in the number of times a patient will have to go back for more treatments. Next, the doctor looks over the hair transplant for quality control. He may take a good deal of time tweaking the placement of grafts before he is satisfied that they are all set properly into their receptor sites in a pleasing fashion. When he gives the ok, the surgical technicians again take over the patient's care.