Redken - Acidic Protein Amino Concentrate

Redken Acidic Protein Amino Concentrate 8.5 oz (250 ml)

Redken - Acidic Protein Amino Concentrate

Regular price $79.99
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Acidic Protein Amino Concentrate is a salon-exclusive, backbar treatment from Redken's Acidic Bonding Concentrate system, built for stylists to customize in-salon protein and bonding services on damaged or over-processed hair. It is formulated at a professional concentration — 12% cationic and amino acids — to help reinforce the hair's internal strength, reduce breakage, and visibly reduce surface damage, with results that build over repeated use as part of the full Acidic Concentrates regimen.

It is one of two assessment-based concentrates in the line: Acidic Protein Amino Concentrate for hair that needs strength (breakage, over-processing, chemical damage), and Acidic Moisture Concentrate for hair that needs moisture (dryness, dullness). A stylist evaluates the client's hair condition first, then applies one concentrate or blends both, always finishing with Redken's Acidic pH Sealer to lock the treatment in. Because correct dosing and pairing depend on a professional's in-service assessment, this is intended for stylist application in a salon setting rather than unsupervised at-home use.

  • After shampooing, apply up to 15ml total (1 dose = 5ml) of Acidic Protein Amino Concentrate to towel-dried hair
  • If the client's hair needs both strength and moisture, it can be blended with Acidic Moisture Concentrate, keeping the combined total at or under 15ml
  • Leave on for 5 minutes; do not rinse
  • Follow immediately with Redken Acidic pH Sealer

Licensed stylists and colorists servicing clients with damaged, over-processed, or chemically treated (lightened, permed, relaxed) hair that needs protein-based strengthening. This is a salon-exclusive, backbar item built for professional in-service use and assessment, not a product designed for a consumer to buy and apply themselves at home.

Off-the-shelf retail treatments are formulated at a lower, one-size-fits-all strength so they're safe without professional supervision. Acidic Protein Amino Concentrate is built at a genuine salon-expert concentration and is meant to be dosed and combined based on a stylist's real-time read of the client's hair, which lets it target protein loss specifically — rather than generically moisturizing or coating the hair — for a more precise strengthening result than a take-home bonding product can offer.

For professional in-salon use as part of an Acidic Bonding Concentrate service.

  1. After shampooing, apply up to 15ml (1 dose = 5ml) of Acidic Protein Amino Concentrate to towel-dried hair.
  2. If the client's hair needs both strength and moisture, blend with Acidic Moisture Concentrate, keeping the total combined dose at or under 15ml.
  3. Leave on for 5 minutes. Do not rinse.
  4. Follow immediately with Redken Acidic pH Sealer to complete the treatment.

  • Pro: Salon-strength 12% cationic and amino acid concentration delivers a visible reduction in surface damage after a single treatment.
  • Pro: Flexible, dose-based system lets a stylist tailor a treatment to protein needs, moisture needs, or a blend of both per client.
  • Pro: Designed to work as part of a complete system (with Acidic Moisture Concentrate and Acidic pH Sealer) rather than a single standalone step.
  • Con: Backbar/professional-exclusive — it isn't sold for consumer self-application, so results require an in-salon visit.
  • Con: Getting the right outcome depends on the stylist correctly assessing protein vs. moisture need; misjudging it can under- or over-treat the hair.
  • Con: Not a complete service on its own — it must be paired with the Acidic pH Sealer step to finish the treatment.

Water, Octyldodecanol, Behentrimonium Chloride, Cetearyl Alcohol, Amodimethicone, Arginine, Glutamic Acid, Glycerin, PEG-40/PPG-8 Methylaminopropyl/Hydroxypropyl Dimethicone Copolymer, Polyquaternium-37, Isopropyl Alcohol, Propylene Glycol Dicaprylate/Dicaprate, Citric Acid, Dipropylene Glycol, Phenoxyethanol, Hydroxyethylcellulose, Fragrance, Polyquaternium-10, Polysorbate 20, PPG-1 Trideceth-6, Trideceth-6, Hydrolyzed Vegetable Protein, PG-Propyl Silanetriol, Cetyl Alcohol, Sorbitan Oleate, Behentrimonium Methosulfate, Chlorhexidine Digluconate, Cetrimonium Chloride, Quaternium-33, Benzyl Alcohol, Linalool, Hexyl Cinnamal, Potassium Sorbate

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