Anytime you have a donor strip harvested for FUT there will be a scar and it will likely be visible if you shave your head.
Some of the patchy areas around the scar may improve with time and the inflammation from the scar healing improves.
Scalp micro pigmentation is a good option...
After having had 2 hair transplants I don't think I would chance it when it comes to creatine. It has been theorized that your native hair (that you have left which are hormone sensitive) may be susceptible to indirect effects of the creatine on the enzyme responsible for the conversion of t...