Stress, hormonal changes, poor nutrition, natural aging, menopause, post-pregnancy, heredity, medication and over styling can impact the health of your hair and lead to breakage and excess shedding. Viviscal Hair Growth Vitamin Supplements have been scientifically proven to nourish thinning hair and promote existing hair growth. Why Viviscal Hair Growth Supplements? Brand Backed by 25 years of Research & Development with 10 published clinical studies 100% drug free Nourishes thinning hair and promotes existing hair growth from within #1 selling hair growth supplement in the U.S. Surgery-free, easy-to-use solution for hair growth  Scientifically proven to improve hair thickness and reduce shedding in as little as 3 months  Suitable for all hair types - These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. 1 - Existing Growth 2 - Nielsen AOC 52 weeks ending December 28, 2019 3 - Ablon, G.; Dermatol Res Pract., 2015 (comparable formula) 4 - Bloch, L; J Dermat Cosmetol, 2017 (comparable formula) 5 - Based on consumer research of 110 consumers using Viviscal Densifying Shampoo, Conditioner and Elixir (September 2015). (comparable formulas) 6 - Based on studies of comparable formulas.