Plump and thicken hair from the inside.

L'Oréal Professionnel Serie Expert Pro Longer Concentrate Treatment is an ends filler concentrate for clients looking to grow long hair that's thick and strong. Its formula contains Filler A-100 technology to penetrate the fibre core, plumping and thickening hairs, alongside amino acids working hard to strengthen the hair.

It's particularly useful for working on thin ends and areas where help is most needed. Hair feels and looks thicker and more plump from the very first application!

L'Oréal Professionnel Serie Expert Pro Longer Concentrate Filler is available in a single-dose 15-ml size or a 400-ml bottle.