Viviscal Pro- Professional Thin To Thick Elixir, 50ml"Blended with Biotin, Collagen & Keratin to promote the appearance of healthy looking hair growth. Viviscal Professional Elixir promotes thicker looking hair as part of the complete Viviscal Professional Thin to Thick hair care collection. Only Viviscal hair care contains Ana: Tel, a proprietary complex that includes clinically tested ingredients derived from natural sources, such as pea sprouts and grape seeds. Combined with Biotin, Collagen &