Pureology Strength Cure Leave-in split-end smoothing treatment for micro-scarred, damaged colour-treated hair. Helps strengthen, smooth split ends and prevent further damage for shiny, beautiful results. 97% Improved strength after only 1 use of Shampoo, Condition and Split End Salve. Luxuriously creamy formulas help repair and strengthen hair for the perfect balance of strength and velvety softness with extraordinary colour protection.