L’Oreal Professionnel Serie Expert Pro Longer Concentrate

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Ends Filler Concentrate

Size: 400ml / 13.5fl.oz.

L'Oreal Professionnel Serie Expert Pro Longer Concentre is a treatment designed for hair suffering from thin or split ends. This professional formula is enriched with L'Oreal exclusive, patented technology which consists of Filler-A100. This molecule deeply penetrates hair fiber all the way to the core and instantly reduces appearance of split ends by 66% while adding at least 50% of more volume to thin hair. In addition, L'Oreal Pro Longer Concentrate utilizes Amino Acids to strengthen hair fiber for longer, thicker, better looking locks.


  • Recommended for long hair with thinned or split ends
  • Reduces appearance of split ends by 66%*
  • Adds 50% more volume*
  • Instantly plumps and fills strands from first application
  • Cruelty-free/No Animal Testing

*When used with Pro Longer Shampoo and Pro Longer Mask


In-Salon Treatment: 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 masque.

At-Home Treatment: Once a week, replace the conditioner or masque with the single dose concentrate. Shampoo hair 2X in preparation of treatment. Apply the single dose concentrate on towel-dried ends. Twist ends for better penetration. Leave in for 5 minutes and rinse out.


Aqua/Water/Eau, Aminopropyl Triethoxysilane, Lactic Acid, PEG-40 Hydrogenated Castor Oil, Polyquaternium-6, Phenoxyethanol, Citric Acid, Arginine, Panthenol, Benzyl Salicylate, Benzyl Alcohol, Chlorhexidine Digluconate, Linalool, Limonene, Hydroxycitronellal, Citronellol, Alpha-Isomethyl Ionone, Parfum/Fragrance. C240996/1.

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