BOSLEY BosDefense Color-Safe 30 Day Kit Protect against thinning hair with BosDefense 30-Day Kit featuring a simple, 3-step system including a Nourishing Shampoo, Volumizing Conditioner and Leave-In Thickening Treatment. Includes: 1 - 5.1 oz Shampoo 1 - 5.1 oz Conditioner 1 - 3.4 oz Treatment Sulfate-free BosDefense Nourishing Shampoo helps remove build-up, such as DHT, from the scalp surface, while cleansing hair of product build-up and pollution. Panthenol, Vegetable Proteins and Sea Kelp Extract help strengthen existing hair strands. Maintains a clean environment for the appearance of thicker, fuller-looking hair. BosDefense Volumizing Conditioner is a weightless, daily conditioner containing DHT inhibitors that infuses body and shine without weighing the hair down. Biotin, Niacin and Panthenol help nourish and strengthen existing hair. Hair appears fuller and nourished with more volume. Designed to help inhibit DHT, the BosDefense Leave-In Thickening Treatment is a lightweight, foaming, alcohol-free intensive treatment that may aid in rejuvenating the scalp and help support the growth of stronger, healthier hair. Pumpkin Seed Extract, a natural DHT-Blocker, plus Apple Stem Cell Extract promote healthy hair growth while Panthenol strengthens and nourishes existing hair. May assist in thickening hair, reconditioning fragile hair and providing instant volume.