About Kadus Permanent Hair Colour 6/81 60ml The Kadus Permanent Hair Colour is used for its complete colour coverage, making sure the rich colour cream leaves the hair silky. The Colour formula penetrates deep into the hair fibres making sure the hair is left with a mirrored shine. Due to its intense extra rich cream the Kadus Permanent hair colour can cover 100% Grey. Treat yourself to a little luxury with Beauty Cloud.