Beauty Comparison
Redken Leave-In Treatment

Photo and link: Amazon

Redken

Leave-In Treatment

leave-in conditioner · 250 ml · Haircare

Redken Leave-In Treatment is free of essential oils, sulfates, parabens and MI / MCI, going by its full 31-ingredient list, with lactic acid. List checked November 5, 2026.

The catch: it contains fragrance (Parfum/Fragrance), labelled fragrance allergens (Benzyl Salicylate, Hexyl Cinnamal) 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

Listed on Amazon in: United Kingdom · Germany · France · Italy · Spain · Netherlands · Poland · Sweden

Key ingredients in Leave-In Treatment

  • Lactic acid (AHA)

    A gentler, hydrating exfoliant.

Full ingredient list, decoded

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

  1. 1Aqua/Water/EauAqua 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. 4Cetyl EstersCetyl Esters is a waxy blend of esters made from cetyl alcohol and fatty acids. It…
  5. 5Parfum/FragranceParfum is the scent blend added to a product to give it its smell, often a mix of many…Fragrance
  6. 6Isopropyl AlcoholA simple alcohol made from propylene. It works as a solvent, thinning ingredients and…Drying alcohol
  7. 7PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
  8. 8Stearamidopropyl DimethylamineA conditioning ingredient that helps hair feel softer, smoother and easier to detangle…
  9. 9Caprylyl GlycolCaprylyl Glycol is a mild, multi-tasking ingredient that softens skin and helps keep…
  10. 10Lactic AcidLactic acid is an alpha hydroxy acid, a mild acid that loosens dead skin cells and…
  11. 11Benzyl SalicylateA fragrance ingredient, made from benzyl alcohol and salicylic acid, that gives…Labelled fragrance allergens
  12. 12Hexyl CinnamalHexyl Cinnamal is a synthetic fragrance ingredient with a soft, floral scent. Its main…Labelled fragrance allergens
  13. 13LinaloolLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare…Labelled fragrance allergens
  14. 14CitronellolCitronellol is a fragrance ingredient found naturally in plants like rose and…Labelled fragrance allergens
  15. 15Alpha-Isomethyl IononeA synthetic fragrance ingredient with a soft floral, violet-like scent. Its main job is…Labelled fragrance allergens
  16. 16HydroxycitronellalA lab-made fragrance ingredient whose main job is giving products a fresh, floral…Labelled fragrance allergens
  17. 17AmodimethiconeAmodimethicone is a silicone with amine groups, nitrogen-containing parts that help it…Silicones
  18. 18Trideceth-6Trideceth-6 is a nonionic surfactant made from tridecyl alcohol and ethylene oxide. It…
  19. 19Cetrimonium ChlorideA positively charged conditioning agent from the quaternary ammonium family. It softens…
  20. 20ArginineArginine is an amino acid, one of the natural building blocks of proteins. In hair…
  21. 21SerineSerine is an amino acid, a small building block of proteins, that helps attract and…
  22. 22Glutamic AcidGlutamic Acid is an amino acid that occurs naturally in the body and in skin. In…
  23. 23Phenylalanine
  24. 242-Oleamido-1,3-Octadecanediol
  25. 25Hydrolyzed Soy ProteinA soy protein that has been broken into smaller pieces, so it can coat hair and skin…
  26. 26Hydrolyzed Vegetable Protein PG-Propyl Silanetriol
  27. 27Hydrolyzed Wheat ProteinA wheat protein broken down into smaller peptides and amino acids, used mainly to…
  28. 28Hydrolyzed Wheat Starch
  29. 29Citric AcidCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
  30. 30Sodium BenzoateSodium benzoate is the sodium salt of benzoic acid, a water-soluble powder used mainly…
  31. 31Potassium SorbatePotassium sorbate is the potassium salt of sorbic acid, a mild preservative that helps…

Source: Open Beauty Facts (ODbL), world.openbeautyfacts.org/product/0884486453402, retrieved November 5, 2026.

Every flag we check

CheckResultIngredients found
FragranceContainsParfum/Fragrance (#5)
Essential oilsNone listed—
Labelled fragrance allergensContainsBenzyl Salicylate (#11), Hexyl Cinnamal (#12), Linalool (#13), Citronellol (#14), Alpha-Isomethyl Ionone (#15), Hydroxycitronellal (#16)
Drying alcoholContainsIsopropyl Alcohol (#6)
SulfatesNone listed—
SiliconesContainsAmodimethicone (#17)
ParabensNone listed—
MI / MCINone listed—
Formaldehyde releasersNone listed—
Mineral oil & petrolatumNone listed—
LanolinNone listed—
Chemical UV filtersNone listed—

Frequently asked questions

Is Redken Leave-In Treatment fragrance-free?

No. Redken Leave-In Treatment contains Parfum/Fragrance (ingredient 5 of 31).

Does Redken Leave-In Treatment contain silicones, sulfates or parabens?

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

What is Redken Leave-In Treatment good for?

By its ingredient list it fits mi allergy, acne-prone skin, body acne and pregnancy: it passes every free-from rule we set for those needs. Key ingredients: Lactic acid (AHA).

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