Extreme Length Shampoo

Full ingredient list, decoded

26 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. 2Decyl Glucoside Sodium Cocoyl Isethionate
3. 3Cocamidopropyl BetaineA mild, coconut-derived cleansing agent that creates foam and helps other cleansers…
4. 4Citric AcidCitric acid is a mild, naturally occurring acid found in citrus fruit. In skincare and…
5. 5Sodium HydroxideSodium hydroxide is a strong alkali, also called caustic soda. In small amounts it…
6. 6PanthenolPanthenol is a form of vitamin B5 that the skin and hair convert to pantothenic acid.…
7. 7GlycerinGlycerin is a clear, thick, odorless liquid that pulls water into the skin and helps…
8. 8DimethiconeDimethicone is a silicone, a light, water-resistant oil that forms a smooth, breathable…Silicones
9. 9PEG-150 Distearate
10. 10PPG-5-Ceteth-20A mild cleansing agent and emulsifier made from cetyl alcohol, a fatty alcohol, that…
11. 11Sodium BenzoateSodium benzoate is the sodium salt of benzoic acid, a water-soluble powder used mainly…
12. 12Sodium ChlorideA simple mineral salt, made of sodium and chloride, used mainly to adjust thickness and…
13. 13PEG-55 Propylene Glycol Oleate
14. 14Propylene GlycolPropylene Glycol is a colorless, slightly syrupy liquid that attracts water and is…
15. 15CarbomerA synthetic polymer made from acrylic acid that thickens water-based products and keeps…
16. 16Parfum / FragranceAroma is a label term for a scent blend added to a product to give it a pleasant smell.Fragrance
17. 17Coco-Caprylate/CaprateA light, coconut-derived ester that softens skin and hair and helps other ingredients…
18. 18Polyquaternium-67
19. 19Salicylic AcidSalicylic acid is a beta hydroxy acid, or BHA, that gently exfoliates skin and helps…
20. 20AmodimethiconeAmodimethicone is a silicone with amine groups, nitrogen-containing parts that help it…Silicones
21. 21Sodium PhytateA plant-derived salt that acts as a chelating agent, grabbing onto metal ions like…
22. 22Glycol DistearateGlycol Distearate is a waxy solid made by joining glycol with stearic acid. Its main…
23. 23Coco-BetaineA mild, coconut-derived surfactant that cleans and foams. It works as a gentle helper…
24. 24Acrylates/Beheneth-25 Methacrylate CopolymerA film-forming polymer made from linked acrylic building blocks. Its main job is to…
25. 25LimoneneLimonene is a natural scent molecule found in citrus peel oils. It gives products a…Labelled fragrance allergens
26. 26Trideceth-6Trideceth-6 is a nonionic surfactant made from tridecyl alcohol and ethylene oxide. It…

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

Every flag we check

Frequently asked questions