Beauty Comparison
Shop by need
Eczema-prone skinRosacea-prone skinSensitive skinFragrance-freePerfume allergyAcne-prone skinFungal acnePsoriasisPregnancyDry skin
Buying guides
Fragrance-Free MoisturizersMoisturizers for Sensitive SkinMoisturizers for Acne-Prone SkinFragrance-Free CleansersFragrance-Free SunscreensFragrance-Free ShampoosCleansers for Sensitive SkinCleansers for EczemaCleansers for Acne-Prone SkinSunscreens for Sensitive Skin
Products
SkincareHaircareMakeupBodySun careMen's groomingBabyNailsFragranceTools
Ingredients
Tools
Free-from finderIngredient checker
Learn
SkincareHaircareMakeupNails, Body & FragranceHormones & Wellbeing
USCAUKDEFRITESNLPLSE
Redkenhair mask

Photo and link: Amazon

Redken

Acidic Bonding Concentrate

hair mask · 250 ml · Haircare

Redken Acidic Bonding Concentrate is free of essential oils, sulfates, parabens and MI / MCI, going by its full 22-ingredient list, with dimethicone. List checked November 5, 2026.

The catch: it contains fragrance (Parfum/Fragrance), labelled fragrance allergens (Limonene, Linalool) and drying alcohol (Isopropyl Alcohol).

  • Contains fragrance
  • No essential oils
  • Contains labelled fragrance allergens
  • Contains drying alcohol
  • Sulfate-free
  • Contains silicones
  • Paraben-free
  • No MI/MCI
Check today's price on Amazon Affiliate

Listed on Amazon in: United Kingdom

Key ingredients in Acidic Bonding Concentrate

  • Dimethicone

    A skin protectant that forms a breathable barrier.

Full ingredient list, decoded

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

  1. 1Aqua/WaterAqua is the INCI name for water, the main base of many creams, lotions and cleansers…
  2. 2Cetearyl AlcoholA waxy fatty alcohol blend that thickens formulas and helps oil and water mix into…
  3. 3Behentrimonium ChlorideBehentrimonium Chloride is a conditioning agent built from a long, fatty behenyl chain…
  4. 4DimethiconeDimethicone is a silicone, a light, water-resistant oil that forms a smooth, breathable…Silicones
  5. 5AmodimethiconeAmodimethicone is a silicone with amine groups, nitrogen-containing parts that help it…Silicones
  6. 6Isopropyl AlcoholA simple alcohol made from propylene. It works as a solvent, thinning ingredients and…Drying alcohol
  7. 7Sodium CitrateSodium Citrate is the sodium salt of citric acid, a mild, fruit-derived acid. It mainly…
  8. 8Glycerim
  9. 9Citric AcidCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
  10. 10C15-19 Alkane
  11. 11Dicetyldimonium Chloride
  12. 12Parfum/FragranceParfum is the scent blend added to a product to give it its smell, often a mix of many…Fragrance
  13. 13PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
  14. 14Cetyl EstersCetyl Esters is a waxy blend of esters made from cetyl alcohol and fatty acids. It…
  15. 15Hydroxypropyl Guar
  16. 16LimoneneLimonene is a natural scent molecule found in citrus peel oils. It gives products a…Labelled fragrance allergens
  17. 17Trideceth-6Trideceth-6 is a nonionic surfactant made from tridecyl alcohol and ethylene oxide. It…
  18. 18Dilauryl Thiodiproportionate
  19. 19Cetrimonium ChlorideA positively charged conditioning agent from the quaternary ammonium family. It softens…
  20. 20LinaloolLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare…Labelled fragrance allergens
  21. 21CitronellolCitronellol is a fragrance ingredient found naturally in plants like rose and…Labelled fragrance allergens
  22. 22Trisodium Hedta

Source: Redken product page, www.redken.co.uk/products/haircare/acidic-bonding-concentrate/acidic-b, retrieved November 5, 2026.

Every flag we check

CheckResultIngredients found
FragranceContainsParfum/Fragrance (#12)
Essential oilsNone listed—
Labelled fragrance allergensContainsLimonene (#16), Linalool (#20), Citronellol (#21)
Drying alcoholContainsIsopropyl Alcohol (#6)
SulfatesNone listed—
SiliconesContainsDimethicone (#4), Amodimethicone (#5)
ParabensNone listed—
MI / MCINone listed—
Formaldehyde releasersNone listed—
Mineral oil & petrolatumNone listed—
LanolinNone listed—
Chemical UV filtersNone listed—

Frequently asked questions

Is Redken Acidic Bonding Concentrate fragrance-free?

No. Redken Acidic Bonding Concentrate contains Parfum/Fragrance (ingredient 12 of 22).

Does Redken Acidic Bonding Concentrate contain silicones, sulfates or parabens?

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

What is Redken Acidic Bonding Concentrate good for?

By its ingredient list it fits mi allergy, acne-prone skin, pregnancy and color-treated hair: it passes every free-from rule we set for those needs. Key ingredients: Dimethicone.

Similar hair masks

Affiliate