Give your long hair the bespoke care it needs with the luxurious Pro Longer Masque from L'Oreal Professionnel. Expertly formulated with an exclusive combination of amino acids and patented FILLER-A100 technology, this powerhouse treatment renews lengths and enhances shine. Results Up to 94% hair breakage reduction *brushing test using shampoo and conditioner on bleached hair Up to 5x shinier hair *instrumental test using shampoo and conditioner