Pro Longer: Strengthen, thicken, and protect your long hair with Pro Longer by L’Oréal Professionnel.
Say goodbye to thinning ends and hello to longer, stronger hair with L’Oréal Professionnel Serie Expert Pro Longer. Designed for those who love their length but want to keep it thick and healthy, this innovative formula strengthens and renews hair from root to tip. Powered by patented Filler-A100 technology and amino acids, Pro Longer helps reduce breakage, visibly thickens ends, and restores vitality for long-lasting, beautiful hair.

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