Lustrous and Shiny Hair Long Lasting Colour and Deep Shine 100% Grey Coverage Fast Action in 15 Minutes With Natural Oils SHEEN Shampoo-In Hair Colour is here to give you an at-home dyeing experience. Take a break from white and take a trip to the darker side in just 15 minutes. This colouring shampoo has a non-drip consistency and provides an even coverage to grey hair. It is enriched with natural oils which leave your hair healthier than before. The results after dye may vary due to your natural hair colour.