Chris Christensen's Spectrum One Coarse & Rough Coat Substance Builder increases density and repairs damaged coats while providing texture and volume. Turn flat, lifeless hair into thick, springy, full coats for perfect styling and manageability. Spectrum One Coarse & Rough Coat Substance Builder Treatment is the only answer for precision scissor work. Delivers unsurpassed visible results. Hard-coated Terrier jackets will lay flat with great texture and furnishings will be fuller and vibrant. Other breeds such as Poodles, Bichon Frises, Bedlington Terriers and double coated breeds that are too soft and limp will have more substance. Infused with customized complexes to create the results you need.