L'Oréal Professionnel Pro Longer is a professional 10-in-1 leave-in cream formulated specifically for long hair. This specialized treatment contains Filler-A100 and amino acids to help strengthen, protect and improve the appearance of hair lengths and ends. Key features: • 10-in-1 professional leave-in treatment • Contains Filler-A100 and amino acids • Helps strengthen and protect long hair • Targets thinning ends • Improves overall hair appearance • Professional salon formula This professional cream treatment is part of L'Oréal's Serie Expert Pro Longer line designed specifically for long hair care. The formula works to reinforce hair fibers while providing multiple benefits in one product. For best results, apply to towel-dried hair, focusing on lengths and ends. Can be used daily as part of a long hair care routine.