Groganics On the Spot Itch Relief Scalp Medicine Drops 4oz DHT Blocker System Anti-Breakage Strengthens & Nourishes Roots Increases Blood Flow Heals & Conditions Natural herbal blends found only in the Brazilian Amazon and regulated by the FBHA to be used only to treat advance hair loss & severe thinning. These herbal extracts are available in limited quantities. You will feel the cool sensation as it freezes & blocks DHT to allow the follicle to grow thicker & stronger hair with consistent use.