Yes, i can use smaller syringe. I'm using 5 ML cause i don't pay to get them... it's my mother make me get them who is a nurse ( i will try 2,5 or 1 ML next times

i inject 2-3 ML at max per shot. Using a fatter needle, i worse scar tissue damage, so i would exclude this solution. I think the only thing i can do is to use a 5/8'' needle and move to another spot taking care of rotate more during time, beginning to use gluteus too. Existing scars tissue, i think in time will heal a bit if i don't touch that spot anymore for a long time, hoping that continuos muscle gains will stretch the muscle tissue around the scar, opening new pinning points inside ( maybe... this is a my theory )...