Is spraying saline solution good on transplanted hair? I was told to do this following surgery and that it helps with itching?

You should ask your surgeon to make it right.  A meeting with your surgeon to review the results and your expectations is a prerequisite to asking for your money back.  Ask first, why the results did not meet your expectations

Post op you can use baby shampoo and baby oil to help manage the itch and dandruff. After 2 weeks you could begin to use dandruff based shampoos.

It’s too early at 6 months to see results. Best to compare results before and after at 1 year mark for hair transplanr

You need to give yourself more time. usually, my patients have 80% of hair at 4 months, I am using a very "nutritious" and caring regimen after surgery. Under usual conditions, you mill see more than 50% of results at 6 months, fuller at 8 and full results at 12 months. So, give it time!...

At 3 months post op its too hard to see the results of the procedure. Be patient and take after photos at 9-12 months.

After the operation the grafts will be entering the ‘resting (telogen) phase’ but will remain healthy and will enter the growth phase (Anagen) and be active in time. You can expect to see new hair growth around four months after the operation, but it will not be that visible at first. They wil...