Tresemme Breakage Defence Conditioner (500ml) Tresemme's advanced strengthening system nourishes your hair for 80% less breakage after just one use. How it Works: Targets the most damaged areas to reduce breakage by 80%. Strengthening formula with vitamin B-12 and keratin revitalises and fortifies weak hair. Lightweight formula evenly conditions and detangles hair prone to breakage and split ends. Leaves your hair stronger more manageable and silky smooth.