Certain Dermatologists advice procedures like PRP therapy, platelet rich plasma therapy when needed which may accelerate the rate of hair growth. PRP needs multiple sessions roughly at 6 weeks intervals. PRP is rich in components needed for the hair to grow and become healthier. However it is a top-up treatment and has to be done in parallel to the main medications for hair fall. PRP therapy is increasingly being accepted by dermatologists all over the world. You need not shave your head. However, you may discuss the option of hair transplant with your dermatologist to regain your hairline.