No 4 Bond Maintenance Shampoo & No 5 Bond Maintenance Conditioner Are A Highly-Moisturizing, Reparative Shampoo & Conditioner For All Hair Types. Use Will Leave Your Hair Easy To Manage, Shiny & Healthier With Each Use. No 4 & No 5 Are Color-Safe, Sulfate-Free, Leaves Hair Stronger, Proven To Reduce Breakage & Benefits All Hair Types & Textures.