This is the usual number of hairs in follicles on a healthy head of hair. By inserting thousands of these follicular units, surgeons can give the appearance of natural hair and hairline. Hair transplant surgery has reached a level where it can produce a result that is virtually undetectable to most people. Almost everyone who has hair transplant surgery has swelling in the forehead and around the eyes. This lasts for only a few days, the worst being about the fourth day. Some people exhibit a black eye as a result. 6. Numbness. A hair transplant patient will feel numbness for several weeks after the surgery. Another aspect of choosing donor sites is the color of the hair being used in the hair transplant. If it does not match the area around the balding area, it will look unnatural. The texture should be even as well as the waviness or curliness of the donor hair and the area of hair around the balding area. It may seem odd, but once the grafted hairs are set, they are just as strong as the rest of your hair. You can cut them, comb and brush them, and even dye them in time. New hairs start to grow within three months. You will find you need haircuts more often, as your hair will grow about one or two centimeters per month. Burns, tattoos, and infections can cause the eyebrow hair to fall out, and some people just are not able to grow eyebrows at all. Hair transplant surgery for eyebrows is different because eyebrows are different from scalp hair. For one thing, the hair has a distinct growth pattern with each section of the eyebrow pointing in a different direction. You can call each one and ask about how the procedure went for them. Be aware that not all hair transplant doctors are scrupulous businesspeople. Many will try to fool you into believing they are more experienced than they are. Sometimes, they will try to make you believe they do better work than they do.