Goldwell Dualsenses Rich Repair Restoring Shampoo 33.8 Ounce 1000 Milliliters Goldwell Dualsenses Rich Repair shampoo is formulated with repair system technology and pashmina silk proteins for dull, dry, stressed or damaged hair. Instantly reconstructs and reawakens the shine of natural hair. As gentle as water, the unique FadeStopFormula minimizes color fading.