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. Others have thyroid disease or other diseases that affect their hair. A certain type of alopecia results in eyebrow loss. If the sides and back of your head have full lustrous hair, you are in luck. This hair can be used as donor hair to replace hair you have lost on your balding spots. If your hair in these areas is not healthy, you face a difficult problem - where does the surgeon get the hair? A new procedure allows doctors to use donor hair from other parts of the body. In fact, some people have been so disappointed and even angered about their results that they have filed class action lawsuits against hair transplant surgeons and clinics. There are several reasons they give for their dissatisfaction. 1. Underestimating Procedures. Certain surgeons and clinics underestimate the number of procedures necessary to achieve the desired effect. If the surgeon he sees is not in that ballpark, it may be wiser to look for another surgeon. If however, the surgeon estimates a similar number, just make sure all the grafts go onto the balding parts of your scalp. To calculate the number of grafts you need for hair transplant surgery, there are several factors to take into account. Their hair is lost in a more diffuse manner, thinning uniformly all over the head. It is not so much where their hair is that is the problem, but how much they have. Hair transplant surgery will not correct this problem. It is best used to move hair from one place to another. There is a very small percentage - about 5% of all women with baldness problems - who are good candidates for hair transplant surgery. There are advantages to getting hair transplant surgery under the age of 25. Most of these patients are healthy. They do not usually take medications. They are often optimistic and have the motivation required to make the commitment needed for what may end up being lifelong treatment. When a young man gets a hair transplant procedure, it can avert many problems with low self esteem and lack of self confidence.