Beauty Comparison

Photo and link: Amazon

Redken

Acidic Color Gloss Shampoo

shampoo · 500 ml · Haircare

Redken Acidic Color Gloss Shampoo is free of essential oils, drying alcohol, sulfates, parabens and MI / MCI, going by its full 37-ingredient list, with glycerin, salicylic acid and vitamin E. List checked November 5, 2026.

The catch: it contains fragrance, labelled fragrance allergens (Limonene, Linalool) and silicones (PEG/PPG-4/12 Dimethicone, Amodimethicone).

£29.4520% off the list priceat 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
  • No drying alcohol
  • Sulfate-free
  • Contains silicones
  • Paraben-free
  • No MI/MCI

Fits, by its list

Key ingredients in Acidic Color Gloss Shampoo

  • Glycerin

    A humectant that helps hair stay soft and hydrated.

  • Salicylic acid (BHA)

    Loosens flakes and build-up on the scalp.

  • Vitamin E

    An antioxidant that protects the formula and the skin.

Full ingredient list, decoded

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

  1. 1Aqua/WaterDissolves 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 C14-16 Olefin Solfonate
  3. 3GlycerinDraws 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…
  4. 4Cocamidopropyl BetaineLifts oil and dirt from skin and hairBuilds a soft, creamy foamA mild, coconut-derived cleansing agent that creates foam and helps other cleansers…
  5. 5Glycol DistearateAdds a soft, pearly shimmerHelps stabilize creams and lotionsGlycol Distearate is a waxy solid made by joining glycol with stearic acid. Its main…
  6. 6PEG-150 Distearate
  7. 7Sodium Lauroyl SarcosinateCleans skin and hair by lifting oil and dirtCreates a soft, creamy latherSodium Lauroyl Sarcosinate is a gentle cleansing agent, called a surfactant, that lifts…
  8. 8Propylene GlycolDraws water into skin and hairHelps dissolve other ingredientsPropylene Glycol is a colorless, slightly syrupy liquid that attracts water and is…
  9. 9Cocamide MIPABoosts and steadies foamBuilds thickness in shampooCocamide MIPA is a mild, coconut-derived foam booster and thickener made from coconut…
  10. 10Hexylene GlycolDissolves ingredients that don't mix easilyHelps blend water and oil phasesHexylene Glycol is a clear, colorless liquid that mixes with both water and oil-loving…
  11. 11Parfum/FragranceGives a product its scentMasks the odor of other ingredientsParfum is the scent blend added to a product to give it its smell, often a mix of many… Fragrance
  12. 12Citric 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…
  13. 13Sodium HydroxideRaises pH in cleansers and creamsNeutralizes acidic ingredients in formulasSodium hydroxide is a strong alkali, also called caustic soda. In small amounts it…
  14. 14Sodium 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…
  15. 15Sodium 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…
  16. 16PEG-55 Propylene Glycol OleateHelps oil and water blendLifts oil and dirt from skin and hairA nonionic surfactant, a cleansing molecule with no electrical charge, that helps oil…
  17. 17Coco-BetaineHelps build foam in cleansersSoftens harsher cleansing agentsA mild, coconut-derived surfactant that cleans and foams. It works as a gentle helper…
  18. 18Hydroxypropyl Guar Hydroxypropyltrimonium ChlorideHelps hair feel smooth and softEases combing and detanglingA plant-based conditioning polymer from guar beans, given a positive charge. Its main…
  19. 19PEG/PPG-4/12 Dimethicone Silicones
  20. 20Salicylic 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…
  21. 21CarbomerThickens water-based formulasCreates a smooth gel textureA synthetic polymer made from acrylic acid that thickens water-based products and keeps…
  22. 22AmodimethiconeSmooths hair and reduces frizzEases combing and detanglingAmodimethicone is a silicone with amine groups, nitrogen-containing parts that help it… Silicones
  23. 23LimoneneAdds a fresh citrus scentHelps dissolve oils and fragrance blendsLimonene is a natural scent molecule found in citrus peel oils. It gives products a… Labelled fragrance allergens
  24. 24Benzoic AcidSlows mold and yeast growthProtects water-based products from spoilageA small, naturally occurring acid that helps keep formulas fresh by slowing the growth…
  25. 25Polyquaternium-7Conditions hair and reduces staticAdds slip for easier combingThis conditioning polymer, made from acrylamide and a positively charged monomer, gives…
  26. 26TocopherolSlows oxidation, the breakdown of oilsHelps shield skin from everyday air and light damageTocopherol is vitamin E, a fat-soluble antioxidant. Its main job is to slow the…
  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. 28Benzyl SalicylateGives a soft, sweet floral smellHelps the scent last longerA fragrance ingredient, made from benzyl alcohol and salicylic acid, that gives… Labelled fragrance allergens
  29. 29Benzyl AlcoholKeeps water-based products free from microbesHelps dissolve some other ingredientsBenzyl Alcohol is a clear, mild liquid that works as a preservative. It helps stop… Labelled fragrance allergens
  30. 30Alpha-Isomethyl IononeGives products a soft, violet-like scentAdds floral depth to fragrance blendsA synthetic fragrance ingredient with a soft floral, violet-like scent. Its main job is… Labelled fragrance allergens
  31. 31Trideceth-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…
  32. 32Glycine Soja Oil/Soybean OilSoftens and smooths skin and hairHelps lotions glide and spreadA plant oil taken from soybean seeds. Its main job is as an emollient, a conditioning…
  33. 33ArginineConditions 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…
  34. 34SerineHelps skin hold on to moistureAttracts water into the formulaSerine is an amino acid, a small building block of proteins, that helps attract and…
  35. 35Glutamic 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…
  36. 36Cetrimonium ChlorideSoftens hair and smooths the cuticleReduces static and flyawaysA positively charged conditioning agent from the quaternary ammonium family. It softens…
  37. 37Pentearythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate

Source: Redken product page, www.redken.co.uk/products/haircare/acidic-color-gloss/acidic-color-glo, retrieved November 5, 2026.

Every flag we check

CheckResultIngredients found
FragranceContainsParfum/Fragrance (#11)
Essential oilsNone listed—
Labelled fragrance allergensContainsLimonene (#23), Linalool (#27), Benzyl Salicylate (#28), Benzyl Alcohol (#29), Alpha-Isomethyl Ionone (#30)
Drying alcoholNone listed—
SulfatesNone listed—
SiliconesContainsPEG/PPG-4/12 Dimethicone (#19), Amodimethicone (#22)
ParabensNone listed—
MI / MCINone listed—
Formaldehyde releasersNone listed—
Mineral oil & petrolatumNone listed—
LanolinNone listed—
Chemical UV filtersNone listed—

Frequently asked questions

Is Redken Acidic Color Gloss Shampoo fragrance-free?

No. Redken Acidic Color Gloss Shampoo contains Parfum/Fragrance (ingredient 11 of 37).

Does Redken Acidic Color Gloss Shampoo contain silicones, sulfates or parabens?

Silicones: yes (PEG/PPG-4/12 Dimethicone, Amodimethicone). Sulfates: none listed. Parabens: none listed.

Which ingredient rules does Redken Acidic Color Gloss Shampoo pass?

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

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Affiliate

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