Hi There, Hair transplantation is a great option for patients who want hair to the scalp or other areas of their body. Usually the donor site is the back of the head. There are two types of hair transplants, follicular hair transplant (FUT) and follicular hair extraction (FUE). FUT involves a horizontal incision on the back of the head, whereas FUE will leave you with very small 1mm scars on the back of the head that are very easily camouflaged. Based on your photo, you would benefit from hair transplant to the mustache area where the scar is. Because I can't see your donor site, I can't comment on the type of hair transplant that would be best for you. However, filling in that area of your upper lip with hair would be very nice and help camouflage your scar. I would begin by consulting with an experienced hair restoration surgeon to discuss options and for further guidance. Hope that helps!