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Redken

Redken Acidic Bonding Concentrate Shampoo

  • Liquid Volume: 574 cubic centimeters
  • Hair Type: Damaged
  • Active Ingredients: Salicylic Acid, salicylic_acid
  • Item Form: Liquid

Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A well-specified professional repair shampoo with a clear bonding and pH story, worth considering for genuinely damaged hair, though there is no buyer review text here to weigh against the marketing claims.

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ASIN: B08P66Q9TKCategory: Hair Shampoos

Overview

Redken Acidic Bonding Concentrate is a vegan, sulfate-free professional shampoo aimed at damaged hair, using citric acid and a bonding care complex to reinforce weakened strands and reduce breakage from color, heat or chemical processing.

The acidic formulation is the distinguishing detail here: it is built to cleanse and moisturize hair that has already been compromised by bleach, color or heat tools, rather than serving as a general everyday shampoo. Redken pairs the bonding chemistry with a color-fade protection claim, so it is aimed at people actively repairing rather than just maintaining hair.

  • Vegan and sulfate-free formula
  • Citric acid plus bonding care complex
  • Repairs strength in damaged, processed or bleached hair
  • Helps protect salon color from fading

Who it's for

Fits people with chemically processed, bleached or heat-damaged hair looking for a salon-brand repair shampoo. Less relevant for hair that has not been through significant color or heat damage.

Pros and cons

Pros
  • Sulfate-free, vegan, professional-grade formula
  • Bonding complex targets strand-level damage
  • Helps protect color-treated hair from fading
  • Rich lather using less product per wash
Cons
  • No review text available in this listing to confirm results
  • Formulated specifically for damaged hair, not general everyday use

Performance notes

The shampoo works through an acidic, citric-acid-based formula paired with a bonding care complex, which Redken describes as reinforcing weakened bonds inside the hair strand rather than only coating the surface. Because it is sulfate-free, it is also framed as protecting salon color from fading while still lathering with less product than an average shampoo.

Specifications

BrandRedken
Dimensions & fit
Item Weight0.74 pounds
Item Dimensions2.2 × 2.6 × 6.2 inches
Capacity & performance
Liquid Volume574 cubic centimeters
Age Range DescriptionAdult
Construction & materials
Material Type FreeSulfate Free
Suitable Hair ColorAll Hair Colors
Included components
Unit Count10.1 fl oz
Other details
Hair TypeDamaged
Active IngredientsSalicylic Acid, salicylic_acid
Item FormLiquid
Scent NameAlmond
Number Of Items1
Product BenefitsStrength repair for dry, damaged hair. Reinforces weakened bonds with immediately visible results.
Other Special Features Of The ProductRepair damaged hair and weakened bonds with immediately visible results.
Recommended Uses For Productsalon;spa
Collection NameRedken Acidic Bonding Concentrate Shampoo 300 Ml

Frequently asked questions

Is Redken Acidic Bonding Concentrate shampoo sulfate-free?

Yes, it is a vegan, sulfate-free professional formula.

What kind of damage is this shampoo meant to address?

It targets damage from hair color, styling tools and chemical processing, including bleached or highly processed hair.

Does this shampoo protect color-treated hair?

Redken states the formula helps protect salon color from fading while reinforcing weakened bonds.