Patricks RD2 Anti-Hairloss and Density Serum 30mlPatricks RD2 is a concentrated leave in anti hair loss and density serum over 24% active ingredients including Capixyl, Redensyl, Procapil, Baicapil and Anagain, formulated for overnight use to reduce shedding, improve density and promote thicker, fuller hair. 30ml. Over 24% active ingredients one of the highest concentrations available Redensyl and Capixyl stimulate follicle stem cells and modulate DHT Procapil, Baicapil and Anagain reinforce