It's not the serum which make this treatment #1 for hair restoration, it's the vortex fusion technology only available thru HydraFacial. This process extracts engorged hair follicles of dirt, oil, flakes and impurities and infuses vital serum into the scalp where it's needed to be efficacious. The price of this treatment includes three treatments spaced one per month. After initial treatment is complete a 6-month maintenance treatment is recommended. This treatment is essential for hair loss of any kind. HydraFacial Keravive an amazing treatment for scalp health.