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.How To Use: Using a spray bottle, mist lengths and ends with water. Section hair for even distribution, apply the liquid concentrate to the ends. Twist each section better saturation. Leave in the hair for 5 minutes. Rinse the liquid concentrate from the ends. Shampoo twice, rinse thoroughly and towel dry. Proceed with Pro Longer Lengths Renewing Conditioner or Mask.
*When used with Pro Longer Shampoo + Pro Longer Mask + Pro Longer Concentrate versus unwashed hair.
Pro Longer's ingredients include an exclusive combination of FILLER-A100 + Amino Acid.