Specific to stabilise the pH of the skin and hair fibre immediately after a colouring or bleaching treatment: • it eliminates traces of alkalinity from the scalp and hair • it helps preserve the natural hydrolipidic mantle of the skin and hair • it secures the colouring pigments inside the hair fibre, closing and realigning the scales • it seals the cortex, preventing dehydration • it softens, hydrates and adds shine