K18 hair treatment owes its phenomenal global success to the brand's radical approach to haircare. Informed by ground-breaking biotech research, its range of potent, intelligent products easily achieves healthy, bouncy hair. The hero K18 leave-in molecular repair hair mask, for example, targets broken polypeptide chains – the building blocks of your luscious locks – and, in just four minutes, reverses damage from bleach, colour, chemicals and heat, restoring your hair's strength and elasticity. Complete the 360 transformation with the clarifying detox shampoo and repair hair oil, made to work alongside your K18 hair mask to ensure protection and nourishment on every level.