Beauty Comparison

Photo and link: Amazon

Redken

Acidic Bonding Concentrate Shampoo and Conditioner Duo

conditioner · 300 ml · Haircare

Redken Acidic Bonding Concentrate Shampoo and Conditioner Duo is free of sulfates, parabens and MI / MCI, going by its full 35-ingredient list, with glycerin. List checked November 5, 2026.

The catch: it contains fragrance, essential oils (Cananga Odorata Flower Oil, Citrus Aurantium Peel Oil Expressed), labelled fragrance allergens (Linalool, Citronellol), drying alcohol, silicones (Amodimethicone) and lanolin.

£40.89at Amazon UK

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Amazon UK prices as of 6 November 2026, 13:01 GMT; Amazon sets the final price at checkout.

Where to buy

Listed in Amazon's stores in United Kingdom · Germany · France · Italy · Spain · Netherlands · Poland · Sweden; links take you to your own store.

What's inside: free-from facts

  • Contains fragrance
  • Contains essential oils
  • Contains labelled fragrance allergens
  • Contains drying alcohol
  • Sulfate-free
  • Contains silicones
  • Paraben-free
  • No MI/MCI

Fits, by its list

Key ingredients in Acidic Bonding Concentrate Shampoo and Conditioner Duo

  • Glycerin

    A humectant that helps hair stay soft and hydrated.

Full ingredient list, decoded

35 ingredients, in label order (highest amount first; below about 1% the order is free).

  1. 1Aqua / Water / EauDissolves salts, sugars and other water-soluble ingredientsForms the watery base of creams and gelsAqua is the INCI name for water, the main base of many creams, lotions and cleansers…
  2. 2Cetearyl AlcoholThickens creams, lotions and conditionersKeeps oil and water blendedA waxy fatty alcohol blend that thickens formulas and helps oil and water mix into…
  3. 3Cocamidopropyl BetaineLifts oil and dirt from skin and hairBuilds a soft, creamy foamA mild, coconut-derived cleansing agent that creates foam and helps other cleansers…
  4. 4Behentrimonium ChlorideSoftens hair and smooths the cuticleReduces static and flyawaysBehentrimonium Chloride is a conditioning agent built from a long, fatty behenyl chain…
  5. 5Cetyl AlcoholSoftens and smooths skinThickens creams and lotionsCetyl Alcohol is a waxy fatty alcohol that softens skin and helps creams and lotions…
  6. 6AmodimethiconeSmooths hair and reduces frizzEases combing and detanglingAmodimethicone is a silicone with amine groups, nitrogen-containing parts that help it… Silicones
  7. 7Cetyl EstersSoftens and conditions hair strandsAdds slip for easier combingCetyl Esters is a waxy blend of esters made from cetyl alcohol and fatty acids. It…
  8. 8Citric AcidAdjusts the pH of the formulaBinds metal ions that affect stabilityCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
  9. 9Isopropyl AlcoholDissolves and thins other ingredientsHelps formulas dry quicklyA simple alcohol made from propylene. It works as a solvent, thinning ingredients and… Drying alcohol
  10. 10Parfum / FragranceAdds a pleasant scentMasks the smell of base ingredientsAroma is a label term for a scent blend added to a product to give it a pleasant smell. Fragrance
  11. 11Sodium CitrateBuffers pH to keep formulas steadyBinds calcium and magnesium in waterSodium Citrate is the sodium salt of citric acid, a mild, fruit-derived acid. It mainly…
  12. 12PhenoxyethanolProtects formulas from bacteria and moldKeeps water-based products fresh longerA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
  13. 13Candelilla Cera / Candelilla WaxFirms up solid and stick productsThickens and adds body to creams and lotionsCandelilla wax is a hard, plant-based wax taken from a desert shrub. Its main job is to…
  14. 14GlycerinDraws water into the outer skin layerHelps skin feel soft and smoothGlycerin is a clear, thick, odorless liquid that pulls water into the skin and helps…
  15. 15Hydroxypropyl Guar
  16. 16Cananga Odorata Flower Oil Essential oils
  17. 17Citrus Aurantium Peel Oil Expressed Essential oils
  18. 18Coco-BetaineHelps build foam in cleansersSoftens harsher cleansing agentsA mild, coconut-derived surfactant that cleans and foams. It works as a gentle helper…
  19. 19Cetrimonium ChlorideSoftens hair and smooths the cuticleReduces static and flyawaysA positively charged conditioning agent from the quaternary ammonium family. It softens…
  20. 20Trideceth-6Blends oil and water into one mixHelps lift dirt and oil awayTrideceth-6 is a nonionic surfactant made from tridecyl alcohol and ethylene oxide. It…
  21. 21Acetylated Lanolin Alcohol Lanolin
  22. 22Trideceth-10Lifts oil and dirt from hair and scalpHelps shampoo produce a soft, even foamTrideceth-10 is a nonionic surfactant made from a synthetic fatty alcohol and ethylene…
  23. 23Quaternium-33
  24. 24Trisodium Ethylenediamine DisuccinateBinds metal ions in waterHelps preservatives perform wellTrisodium Ethylenediamine Disuccinate is a chelating agent, a salt that grabs onto…
  25. 25Linalyl AcetateAdds a fresh, floral, herbal scentRounds out blended fragrance notesLinalyl acetate is a fragrance ingredient, an ester found naturally in plants like… Essential oils
  26. 26Sodium ChlorideThickens shampoos, body washes and cleansersHelps shape the texture of lotionsA simple mineral salt, made of sodium and chloride, used mainly to adjust thickness and…
  27. 27LinaloolGives products a fresh, floral scentHelps mask the smell of other ingredientsLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare… Labelled fragrance allergens
  28. 28Hydroxypropyltrimonium Hydrolyzed Wheat Protein
  29. 29Hydroxypropyltrimonium Hydrolyzed Corn Starch
  30. 30Propylene GlycolDraws water into skin and hairHelps dissolve other ingredientsPropylene Glycol is a colorless, slightly syrupy liquid that attracts water and is…
  31. 31PEG-100 Stearate
  32. 32CitronellolGives products a fresh, rose-like scentBlends with other fragrance notesCitronellol is a fragrance ingredient found naturally in plants like rose and… Labelled fragrance allergens
  33. 33Steareth-0
  34. 34Trideceth-3
  35. 35Acetic AcidAdjusts a formula's pH levelBalances acidity in hair colorAcetic acid is the sour-tasting acid found in vinegar. In beauty products, it mainly…

Source: Open Beauty Facts (ODbL), world.openbeautyfacts.org/product/0884486546388, retrieved November 5, 2026.

Every flag we check

CheckResultIngredients found
FragranceContainsParfum / Fragrance (#10)
Essential oilsContainsCananga Odorata Flower Oil (#16), Citrus Aurantium Peel Oil Expressed (#17), Linalyl Acetate (#25)
Labelled fragrance allergensContainsLinalool (#27), Citronellol (#32)
Drying alcoholContainsIsopropyl Alcohol (#9)
SulfatesNone listed—
SiliconesContainsAmodimethicone (#6)
ParabensNone listed—
MI / MCINone listed—
Formaldehyde releasersNone listed—
Mineral oil & petrolatumNone listed—
LanolinContainsAcetylated Lanolin Alcohol (#21)
Chemical UV filtersNone listed—

Frequently asked questions

Is Redken Acidic Bonding Concentrate Shampoo and Conditioner Duo fragrance-free?

No. Redken Acidic Bonding Concentrate Shampoo and Conditioner Duo contains Parfum / Fragrance (ingredient 10 of 35).

Does Redken Acidic Bonding Concentrate Shampoo and Conditioner Duo contain silicones, sulfates or parabens?

Silicones: yes (Amodimethicone). Sulfates: none listed. Parabens: none listed.

Which ingredient rules does Redken Acidic Bonding Concentrate Shampoo and Conditioner Duo pass?

Its full list passes our ingredient rules for MI allergy, pregnancy and color-treated hair. Key ingredients: Glycerin.

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Amazon UK prices as of 6 November 2026, 13:01 GMT; Amazon sets the final price at checkout.