Platelet-rich plasma (PRP) is a treatment that doctors use to accelerate healing in various areas of the body. It may help restore hair growth.

Doctors typically use this treatment when hair loss results from androgenetic alopecia, a common condition that causes hair follicles to shrink. In males, this is called male pattern baldness.

Although PRP is a relatively new approach, there is some scientific evidence to suggest that it can promote hair growth.