Kérastase Resistance Ciment Anti-Usure Vita-Ciment Advance is a daily conditioner for weak or very damaged hair. This intensive moisturising conditioner has a lightweight detangling formula that rebuilds your hair’s strength from within, enhancing shine & boosting vitality. Kérastase's blend of advanced ingredients rebuilds & strengthens the hair fibre to heal damaged hair & prevent future breakage & split ends. The active ingredient is Vita-Ciment®, which combines Pro-Keratin & Ceramide to create an intercellular cement that strengthens hair from root to tip. Alongside Sève de résurrection, Kérastase's unique regenerating ingredient, this conditioner rebuilds each strand of hair from the core. The results are smooth, sleek & manageable hair that's resistant to breakage. For best results, use as part of your regular hair cleansing routine. Apply generously to washed & towel-dried hair, massage into the roots, lengths & tips. Leave in the conditioner for Approx. 1-2 minutes, emulsify & rinse thoroughly. Kérastase's gentle formula is suitable for daily use, so you can apply the product as frequently as needed without the hair becoming heavy or greasy.