Anti-Grey Shampoo with Repigmentation Technology Natural-looking color effect for less grey Innovative color shampoo: patent-pending formula Easy application as a shampoo with only 2 – 5 min. application time Ideal from the first grey hairs/ Stronger hair due to caffeine The innovative depigmentation technology is based on a patent-pending formula: the active ingredient 5,6-DHI accumulates in the hair during shampooing and reacts with the oxygen in the air to form the colour pigment. As a result, the hair tone gradually becomes darker. A permanent hair colour develops that grows out with the hair. In addition, the well-known caffeine complex protects against premature hair loss by supplying the hair roots with growth energy.