Joico K Pak Color Therapy Shampoo. A gentle color-protecting shampoo for weak or multi-processed hair. Provides a dense, cushiony lather that rinses away easily, helping to prevent tangles and protect hair fibers. This rich shampoo will significantly improve your color retention, add shine and smoothness, and tame your flyaway hair. This color-preserving, reconstructing shampoo gently cleanses hair while improving its elasticity and shine and preventing color loss. Breakthrough QuadraBond Peptide Complex, restores and protects hairs natural B-layer, resulting in more vibrant, longer lasting hair color.