Powered by a patented technology FILLER A-100 and Amino Acid, the Serie Expert Pro Longer Lengths Renewing Mask is the perfect treatment for hair suffering from thinned ends. Followed by the Ends Filler Concentrate Single Dose, the lengths are shinier and stronger, and the ends are durably thicker.

• 94% hair breakage reduction*,
• 17% split ends reduction*,
• 5x shinier hair.*

FILLER-A100 + AMINO ACID

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.