Advanced argan oil colourant with Pigment-Lock technology. 100% grey hair coverage. Vibrant, long-lasting colour. Protects against hair damage. Pigment-Lock technology locks colour into the hair, without using ammonia, a controlled oxidation mechanism that allows micro-pigments to easily enter the hair due to their very small size. They are then converted into large dye molecules, which are trapped inside, providing intense colour that does not fade. Argan Oil and natural Keratin act in the deepest layers of the hair, replenishing necessary components, restoring moisture levels and protecting from damage, especially with repeated use. Oat Extract rich in B vitamins and trace elements, forms a protective film around the hair, increasing strength and flexibility.