About Viviscal At Viviscal, they understand hair. They’ve been researching hair loss for over 20 years and are very proud to have developed the most researched hair growth* dietary supplement. Seven clinical trials support the efficacy of Viviscal dietary supplements. The complete Viviscal Hair Growth* and Hair Care Programs provide a variety of ways to nourish your hair … [Read more...] about Viviscal Supplements, Shampoo and Conditioner for Thinning Hair