Discover L'Oréal Professionnel Série Expert Pro Longer Lengths Renewing Conditioner, this conditioner renews lengths and helps the hair to be stronger with more shine. Pro Longer from Serie Expert is the perfect range for everyone who loves 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. Keep the long hair you love with Pro Longer.