INOA ODS2 is the first ammonia-free and odourless permanent oxidative colouration from L'Oréal Professionnel. The innovative formula is oil-activated and allows the hair to be coloured very gently. In addition, the unique ODS2 technology guarantees optimal comfort for the scalp and protects the hair during the coloration. The colouring power is radiant and rich. INOA covers up to 100% of white and grey hair. The hair is provided with moisture and nutrients up to 6 weeks after application.