Powered by the exclusive, patented thickening technology, Filler-A100 + Amino Acid, Pro Longer Ends-Filler Concentrate (In-Salon) is an exclusive treatment for long hair suffering from thinned ends.
Why we love it
An exclusive combination of FILLER-A100 and Amino Acid to renew lengths and fill-in ends. The FILLER-A100, a patented technology owned by L'Oréal Professionnel only, penetrates the fiber core to thicken ends, and resurfaces. The Amino Acid brings strength to the fiber. For longer, thicker, better hair.