It enhances the brilliance and intensity of the colour while providing deep hydration. Keramine H Colour Protection Mask, formulated with the active ingredient PRO-STRUCTURE, derived from green walnut, and enriched with keratin and avocado oil, nourishes and restructures the hair, protecting it from damage and fading. Ideal for coloured, highlighted or streaked hair, its deeply moisturising action leaves the hair soft, silky and lively, keeping the colour vibrant for longer.