Revlonissimo 4.0 medium brown 60ml/2.1fl.oz. 3-Dimensional hair colour featuring nano-molecular technology which results in deeper penetration to the centre of the cortex, slowing down pigment growth resulting in more vibrant, longer lasting colour. The cuticle layers are cemented and binded to the cortex repairing the surface of the hair. Conditioning agents result in shiny, glossy hair while the colour helps protect the scalp against irritation and itching.