Shampoo

Full ingredient list, decoded

34 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. 2Sodium Laureth SulfateSodium laureth sulfate is a cleansing agent, called a surfactant, that lifts oil and…Sulfates
3. 3Coco-BetaineA mild, coconut-derived surfactant that cleans and foams. It works as a gentle helper…
4. 4Glycol DistearateGlycol Distearate is a waxy solid made by joining glycol with stearic acid. Its main…
5. 5Sodium ChlorideA simple mineral salt, made of sodium and chloride, used mainly to adjust thickness and…
6. 6DimethiconeDimethicone is a silicone, a light, water-resistant oil that forms a smooth, breathable…Silicones
7. 7Parfum / FragranceAroma is a label term for a scent blend added to a product to give it a pleasant smell.Fragrance
8. 8Cocamide MIPACocamide MIPA is a mild, coconut-derived foam booster and thickener made from coconut…
9. 9Sodium BenzoateSodium benzoate is the sodium salt of benzoic acid, a water-soluble powder used mainly…
10. 10Sodium HydroxideSodium hydroxide is a strong alkali, also called caustic soda. In small amounts it…
11. 11Citric AcidCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
12. 12Hexylene GlycolHexylene Glycol is a clear, colorless liquid that mixes with both water and oil-loving…
13. 13Salicylic AcidSalicylic acid is a beta hydroxy acid, or BHA, that gently exfoliates skin and helps…
14. 14Guar Hydroxypropyltrimonium ChlorideA plant-based conditioning polymer made from guar gum, a bean-derived sugar chain with…
15. 15CarbomerA synthetic polymer made from acrylic acid that thickens water-based products and keeps…
16. 16Cetyl AlcoholCetyl Alcohol is a waxy fatty alcohol that softens skin and helps creams and lotions…
17. 17Sodium Cocoyl Amino Acids
18. 18Behentrimonium MethosulfateBehentrimonium methosulfate is a conditioning ingredient with a long fatty chain that…
19. 19Quaternium-33
20. 20Potassium Dimethicone PEG-7 Panthenyl PhosphateSilicones
21. 21Benzyl BenzoateBenzyl Benzoate is a clear, oily liquid with a mild, sweet scent. It mainly helps…Labelled fragrance allergens
22. 22Sodium Sarcosinate
23. 23Propylene GlycolPropylene Glycol is a colorless, slightly syrupy liquid that attracts water and is…
24. 24LimoneneLimonene is a natural scent molecule found in citrus peel oils. It gives products a…Labelled fragrance allergens
25. 25Benzyl AlcoholBenzyl Alcohol is a clear, mild liquid that works as a preservative. It helps stop…Labelled fragrance allergens
26. 26ArginineArginine is an amino acid, one of the natural building blocks of proteins. In hair…
27. 272-Oleamido-1,3-Octadecanediol
28. 28Hydrolyzed Soy ProteinA soy protein that has been broken into smaller pieces, so it can coat hair and skin…
29. 29LinaloolLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare…Labelled fragrance allergens
30. 30Fumaric AcidFumaric acid is a naturally occurring organic acid that is used mainly to adjust and…
31. 31Hydrolyzed Vegetable Protein Pg-Propyl Silanetriol
32. 32PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
33. 33Tetrasodium EDTATetrasodium EDTA is the salt form of EDTA, a chelating agent that binds metal ions in…
34. 34Potassium SorbatePotassium sorbate is the potassium salt of sorbic acid, a mild preservative that helps…

Source: Redken product page, www.redken.co.uk/products/haircare/extreme/extreme-shampoo, retrieved November 5, 2026.

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