Hair that shines and reflects light like a mirror. K Water is the latest innovation from Kérastase designed to provide a truly special shine. The result is final; brushings with ultra-luminous reflections, hair that captures the light and a unique treatment. Featuring lamellar technology, K Water is a highly concentrated treatment that acts on contact with water to provide an immediate reflective surface on the hair. The hair is instantly sublimated, the shine maximized with a lasting glow effect, the hair is also softer, lighter and sparkling.