A professional treatment that renews lengths & fills in ends  Powered by the patented thickening technology Filler-A100  Instantly & durably thickens the fiber on the last centimeters  Formulated with Amino Acid that allows the renewing of lengths & brings strength to the fiber  Unveils longer, thicker hair  The first application of Ends Filler Concentrate in its technical format should be done by a professional in salon 