Hair PRP rejuvenation treatment at Tone Dermatology can be performed every 4-6 weeks for initial sessions depending on your speed of loss/growth. This procedure combines expert injection technique with Platlet Rich Plasma (PRP) to help improve scalp health and stimulate thicker fuller hair. The three-step treatment involves (1) a blood draw, that is then (2) processed, and (3) infused into the scalp via injection and contains concentrated growth factors that support the scalp skin + hair.