Joico K-Pak Colour Therapy Luster Lock Treatment (150ml) is an instant shine and repair treatment for colour-treated hair. It boosts colour vibrancy, reduces breakage by up to 89%, leaves the hair 9x stronger, and produces instantly healthier-looking hair. Formulated with Joico's SmartRelease Technology, a protective liposome delivery system containing Rose Hip Oil, Arginine and Keratin, it repairs, strengthens and negates the effect of thermal styling. Keratin replaces lost proteins, Argan Oil hydrates and nourishes, whilst African Manketti Oil combats fading. Completely cruelty-free.