Beauty Comparison

Photo and link: Amazon

Redken

Color Extend Blondage Shampoo Double

shampoo · 300 ml · Haircare

Redken Color Extend Blondage Shampoo Double is free of essential oils, parabens and MI / MCI, going by its full 30-ingredient list, with salicylic acid. List checked November 6, 2026.

The catch: it contains fragrance, labelled fragrance allergens (Linalool, Coumarin), drying alcohol, sulfates (Sodium Laureth Sulfate, Sodium Lauryl Sulfate) and silicones (Amodimethicone).

£34.90at 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
  • No essential oils
  • Contains labelled fragrance allergens
  • Contains drying alcohol
  • Contains sulfates
  • Contains silicones
  • Paraben-free
  • No MI/MCI

Fits, by its list

Key ingredients in Color Extend Blondage Shampoo Double

  • Salicylic acid (BHA)

    Loosens flakes and build-up on the scalp.

Full ingredient list, decoded

30 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. 2Sodium Laureth SulfateCleans by lifting oil and dirtCreates a rich, bubbly latherSodium laureth sulfate is a cleansing agent, called a surfactant, that lifts oil and… Sulfates
  3. 3Coco-BetaineHelps build foam in cleansersSoftens harsher cleansing agentsA mild, coconut-derived surfactant that cleans and foams. It works as a gentle helper…
  4. 4Glycol DistearateAdds a soft, pearly shimmerHelps stabilize creams and lotionsGlycol Distearate is a waxy solid made by joining glycol with stearic acid. Its main…
  5. 5Cocamide MIPABoosts and steadies foamBuilds thickness in shampooCocamide MIPA is a mild, coconut-derived foam booster and thickener made from coconut…
  6. 6Sodium Lauryl SulfateLifts oil and dirt from skin and hairCreates rich, bubbly latherSodium Lauryl Sulfate is a strong surfactant, a cleansing agent that lifts oil and dirt… Sulfates
  7. 7Parfum / 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
  8. 8AmodimethiconeSmooths hair and reduces frizzEases combing and detanglingAmodimethicone is a silicone with amine groups, nitrogen-containing parts that help it… Silicones
  9. 9Sodium 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…
  10. 10Sodium BenzoateHelps stop mold and bacteria growthWorks best in mildly acidic formulasSodium benzoate is the sodium salt of benzoic acid, a water-soluble powder used mainly…
  11. 11Polyquaternium-7Conditions hair and reduces staticAdds slip for easier combingThis conditioning polymer, made from acrylamide and a positively charged monomer, gives…
  12. 12Polyquaternium-10Conditions and softens hairReduces static and flyawaysA plant-derived polymer, made from modified cellulose, that carries a positive charge…
  13. 13PEG-40 Hydrogenated Castor OilHelps oil and water stay blendedDissolves oils and fragrance into water-based productsPEG-40 Hydrogenated Castor Oil is a water-soluble emulsifier made from castor oil. Its…
  14. 14CI 60730 / Acid Violet 43
  15. 15Salicylic AcidLoosens dead skin cells on the surfaceHelps clear oil and debris inside poresSalicylic acid is a beta hydroxy acid, or BHA, that gently exfoliates skin and helps…
  16. 16CarbomerThickens water-based formulasCreates a smooth gel textureA synthetic polymer made from acrylic acid that thickens water-based products and keeps…
  17. 17BHTSlows oxidation in oils and fatsHelps keep smell and color stableBHT is a synthetic antioxidant that slows down oxidation, the process that makes oils…
  18. 18Trideceth-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…
  19. 19LinaloolGives 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
  20. 20ArginineConditions hair and helps it feel softerAdjusts pH, the acidity or alkalinity of a formulaArginine is an amino acid, one of the natural building blocks of proteins. In hair…
  21. 21Glutamic AcidAdjusts the pH of the formulaAdds light, smooth conditioning to hairGlutamic Acid is an amino acid that occurs naturally in the body and in skin. In…
  22. 22SerineHelps skin hold on to moistureAttracts water into the formulaSerine is an amino acid, a small building block of proteins, that helps attract and…
  23. 23Hydroxypropyltrimonium Hydrolyzed Wheat Protein
  24. 24Cetrimonium ChlorideSoftens hair and smooths the cuticleReduces static and flyawaysA positively charged conditioning agent from the quaternary ammonium family. It softens…
  25. 25CoumarinAdds a sweet, hay-like scentBrings a warm, vanilla-like noteCoumarin is a naturally occurring aromatic compound with a sweet, hay-like scent, used… Labelled fragrance allergens
  26. 26Sodium AcetateBuffers the formula to hold a steady pHHelps fine-tune pH during makingSodium acetate is the sodium salt of acetic acid, the sour compound found in vinegar.…
  27. 27Isopropyl AlcoholDissolves and thins other ingredientsHelps formulas dry quicklyA simple alcohol made from propylene. It works as a solvent, thinning ingredients and… Drying alcohol
  28. 28PhenoxyethanolProtects formulas from bacteria and moldKeeps water-based products fresh longerA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
  29. 29Sodium HydroxideRaises pH in cleansers and creamsNeutralizes acidic ingredients in formulasSodium hydroxide is a strong alkali, also called caustic soda. In small amounts it…
  30. 30Citric 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…

Source: Redken product page, www.redken.co.uk/products/haircare/color-extend-blondage/color-extend-, retrieved November 6, 2026.

Every flag we check

CheckResultIngredients found
FragranceContainsParfum / Fragrance (#7)
Essential oilsNone listed—
Labelled fragrance allergensContainsLinalool (#19), Coumarin (#25)
Drying alcoholContainsIsopropyl Alcohol (#27)
SulfatesContainsSodium Laureth Sulfate (#2), Sodium Lauryl Sulfate (#6)
SiliconesContainsAmodimethicone (#8)
ParabensNone listed—
MI / MCINone listed—
Formaldehyde releasersNone listed—
Mineral oil & petrolatumNone listed—
LanolinNone listed—
Chemical UV filtersNone listed—

Frequently asked questions

Is Redken Color Extend Blondage Shampoo Double fragrance-free?

No. Redken Color Extend Blondage Shampoo Double contains Parfum / Fragrance (ingredient 7 of 30).

Does Redken Color Extend Blondage Shampoo Double contain silicones, sulfates or parabens?

Silicones: yes (Amodimethicone). Sulfates: yes (Sodium Laureth Sulfate, Sodium Lauryl Sulfate). Parabens: none listed.

Which ingredient rules does Redken Color Extend Blondage Shampoo Double pass?

Its full list passes our ingredient rules for MI allergy, acne-prone skin, body acne and pregnancy. Key ingredients: Salicylic acid (BHA).

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