Platelet Rich Plasma
Very effective for hair regrowth at this point.
Several research studies confirm this.
J Cutan Aesthet Surg. 2014 Apr;7(2):107-10.
Platelet-rich plasma in androgenic alopecia: myth or an effective tool.
Biomed Res Int. 2014;2014:760709. Epub 2014 May 6.
The effect of autologous activated platelet rich plasma (AA-PRP) injection on pattern hair loss
: clinical and histomorphometric..