L'Oréal Professionnel Series Expert Pro longer mask is the perfect hair mask for you if you love having long hair but find the ends are damaged, breaking or thinning. This professional range is infused with patented technology: filler A100 and amino acids. Hair is plumped and filled from within and protected from the outside. This lengths renewing mask works to hydrate your long hair and strengthen it. Hair is softer and shinier after use. Keep the long hair you love with Pro longer.