gold-on-gold-shampoo A treatment within a shampoo. Gold on Gold is a treatment within a shampoo to enrich gold, brown and red color tones.  Works beautifully on dark multi-colored breeds such as German Shepherds and Belgian Sheepdogs.  Intensifies gold, enhancing the depth of color in the coat, and enhances all warm colors, reds, browns, golds and tans.