Can scar revision with artas or neograft conceal a hair transplant donor strip scar?

A strip harvest scar can definitely be improved by implanting grafts into the scar after FUE extraction. A widened scar can also sometimes be improved by re-excision, depending on the surrounding hair and scalp characteristics.
Unfortunately, it is probably impossible to make the scar go away completely to the point where it would not be visible with a shaved head. Scalp micropigmentation could be helpful to disguise the scar as well. Neograft vs ARTAS really doesn't impact the improvement of the scar itself as both are likely to give good results.
All the best,

FUE is the best option to option to obtain the grafts to hide a strip donor scar. It definitely will help and possibly erase the stigmata. You need an experienced FUE surgeon to deal with that properly

FUE to strip scar will help disguise your scar. But it will NEVER allow you to shave your head so your scar is undetectable.  Actually it will make it look WORSE.Think about it.  You are having a hair transplant to the scar.  Then you are SHAVING it.  This is not going to hide your scar.  You will still have the scar and the transplanted hair may even make your scar look worse as the transplanted hair will not completely match your surrounding hairs in texture and hair direction.  Furthermore, your FUE scar will now be an issue with tiny white dots (when you shave your head).FUE to the transplanted scar can work if you keep your hair long, but it will not work if you shave your head.Even Scalp MicroPigmentation (SMP) which I perform at my clinic will have limitations.   You can see all my before after photos on this site and my website but  YOU WILL STILL SEE THE SCAR in certain lighting and angles. No treatment will make the scar undetectable.  The goal is to make the scar less detectable and not noticeable to the general public at a casual glance.  This is why you need to see a doctor for a realistic assessment.