FUT methods will always leave a noticeable scar in the back of your head which it will cause a psychology discomfort with the way you look. nowadays there is more advanced practice for hair transplant such as FUE and DHI. Both of the, are a non chirurgical operation, that leave no scars in the donor area. The successful rate is 90%, results between 6 months and 12 months and patients satisfaction is over 95%.The difference between FUE and DHI is the implantation phase. The extraction is the same by using micromotor to extract the graft individually from the donor area. For FUE the implantation is based on creating small incision in the receptive area to implant the grafts and for DHI it will be by using Choi pen with no creation of incision, directly the graft will be implanted without leaving any marks. Before choosing any methods you should creation a comparison between techniques, advantages and inconvenients
I advise you to change your hair care routine, start using more natural and bio hair products rich in vitamins and biotin. Also PRP injections is always a solution to regenerate hair follicles and stimulate blood circulations for your hair to grow in a healthy and strong way.
Its an unclear diagnosis, you should provide more pictures to understand more the situation. But considering hair transplant for density is always an perfect option.
Depending on pictures, your donor area seem week and thin to consume another hair transplant. But with combining hair from the chin, the chest and the back maybe you will be candidate for HT. I advise you to get a full diagnosis to understand more your options
To make sure you are a good candidate for hair transplant there is list of tests you should do to understand your hair situation and the cause of it About FUE, the successful rate is 90%, recovery in 2 weeks, results between 6 months and 12 months, , minimum scarring and less painful by using the sapphires technique. In the other than there is DHI technic, Direct hair implantation. the successful rate is 90%, recovery in 5 days, results between 6 months and 12 months, zero chance of loosing follicles during transplantation cause it is being directly operated by CHOI pen and zero scaring due to the minimum dimensions of choi pen ( 0.6mm-1mm). Also the capacity to control the direction of the grafts to give you the natural look.