Product Description LOreal Professionnel Acidic Sealer is an acidic rinse that strengthens the hair fibre for optimal protection and provides intense, long lasting shine to coloured hair. HAIR TYPE Coloured hair RESULTS Intense and long lasting shine Strengthens the hair fibre for optimal protection 81% breakage reduction* hair is more resistant * 81.37% breakage reduction for the Shampoo + Acidic Sealer