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- Stop that fragile, stretchy feeling before your hair actually snaps.
- Helps hair feel stronger after colour, bleach, or frequent heat.
- Light, watery spray coats strands without weighing them down.
- Perfect prep step before masks for extra smooth, resilient lengths.
Redken Extreme CAT Treatment is a rinse-out protein spray that helps repair weakened, distressed hair.
This lightweight spray works inside the hair fibre, using proteins and amino acids to reinforce damaged areas and reduce the look of breakage. You mist it onto clean, damp hair, leave it for a few minutes, then rinse, so it acts like a quick strength-boosting treatment before conditioner.
Hair feels stronger, less stretchy, and more resilient when you comb or style it. The texture is watery and easy to spread, with a clean, salon-like scent that rinses away lightly.
It’s ideal for hair that’s been lightened, coloured, or heat-styled often, and for anyone whose hair snaps easily. Use it when your hair feels weak, fragile, or over-processed, especially before deep conditioning.
How To Use Redken Extreme CAT Treatment
- Shampoo hair, then gently squeeze out excess water.
- Spray Extreme CAT Treatment evenly onto damp hair, mid-lengths to ends.
- Work through with fingers or a wide-tooth comb for even coverage.
- Leave on for 3–5 minutes to let the proteins absorb.
- Rinse thoroughly, then follow with your usual conditioner or mask.
- Use 1–3 times per week, depending on hair damage.
Redken Extreme CAT Treatment Ingredients
Aqua/Water/Eau, SD Alcohol 40-B (Alcohol Denat.), Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Hydroxypropyltrimonium Hydrolyzed Wheat Protein, Propylene Glycol, Hydroxyethylcellulose, Trisodium HEDTA, Citric Acid, Amodimethicone, Trideceth-6, Cetrimonium Chloride, Parfum/Fragrance, Limonene, Hexyl Cinnamal, Linalool, Benzyl Alcohol, Alpha-Isomethyl Ionone, Citronellol, Coumarin.
Note: Please refer to bottle for full ingredients.
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Aqua SolventsSolvent
The water base that carries and dissolves the other ingredients in most products.
May suitAll hair and skin types.
Worth knowingAlmost always the first ingredient listed in water-based products.
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Alcohol Denat. SolventsSolvent
A fast-evaporating solvent that helps dissolve ingredients and improve product dry time.
May suitPeople who use styling products that benefit from quick drying or a lightweight feel.
Worth knowingIts quick evaporation can help reduce residue and support a clean finish in styling formulas. Some may notice it can feel slightly drying in leave-in products depending on hair type.
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Hydrolyzed Vegetable Protein PG-Propyl Silanetriol Conditioning agentsStrengthening conditioner
A protein-derived ingredient that helps condition and reinforce the hair fibre.
May suitPeople looking to improve hair strength, smoothness or resistance to breakage.
Worth knowingIt forms a lightweight film on the hair to boost softness and resilience without heavy build-up. Often used in strengthening and smoothing formulas.
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Hydrolysed Wheat Protein Hydroxypropyltrimonium Chloride Conditioning agentsHair conditioning agent
A modified wheat-derived protein that helps condition and smooth the hair.
May suitPeople seeking softening, smoothing or light strengthening benefits, including those with dry or damaged hair.
Worth knowingIts positive charge helps it bond to the hair surface, improving feel and manageability. It is commonly used in conditioners and masks for added slip and softness.
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Propylene Glycol HumectantsHumectant
Helps hold moisture and carry other ingredients through the formula.
May suitMost hair types as part of a moisturising formula.
Worth knowingA widely used humectant and carrier ingredient.
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Hydroxyethylcellulose Thickeners and stabilisersThickener and stabiliser
A polymer that helps thicken and stabilise haircare formulas.
May suitThose who prefer products with a smooth, uniform texture or need easier application and distribution.
Worth knowingIt is derived from cellulose and is widely used because it provides viscosity without weighing hair down. It also helps improve the feel and spreadability of many water-based products.
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Trisodium HEDTA Chelating agentsChelating agent
Helps bind and neutralise metal ions in water and formulas to support product performance.
May suitPeople living in hard-water areas or those wanting products that rinse cleanly and maintain consistent results.
Worth knowingChelating agents can help prevent minerals from building up on hair and support formula stability.
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Citric Acid pH adjusterspH adjuster
Fine-tunes the product pH, which can help the hair surface feel smooth.
May suitMost hair types as part of a balanced formula.
Worth knowingUsually present in small amounts to balance the formula.
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Amodimethicone SiliconesConditioning silicone
A conditioning silicone that targets rougher areas of the hair to smooth and protect.
May suitDamaged, frizz-prone or colour-treated hair wanting targeted smoothing.
Worth knowingDesigned to deposit where hair needs it most. Some prefer silicone-free formulas by choice.
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Trideceth-6 Cleansers / surfactantsSolubiliser / surfactant
A non-ionic surfactant that helps blend oil-soluble ingredients into water-based formulas.
May suitThose using products with oils or silicones who want them to rinse evenly without residue.
Worth knowingIt is commonly used in shampoos and styling products to support stable, uniform textures. Its mild nature makes it suitable for a wide range of formulations.
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Cetrimonium Chloride Conditioning agentsConditioning agent
A conditioning agent that helps smooth and soften the hair while reducing static and tangles.
May suitPeople looking for improved manageability, detangling and smoother-feeling hair.
Worth knowingIt is a commonly used quaternary ammonium compound that helps conditioners spread easily through the hair. It is effective even at low levels, which is why it appears frequently in rinse-off products.
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Limonene Fragrance ingredientsFragrance component
A fragrance component that also occurs naturally in many citrus and plant oils.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Hexyl Cinnamal Fragrance ingredientsFragrance component
A fragrance ingredient used to give products a light, floral scent.
May suitThose who enjoy subtly scented haircare products.
Worth knowingIt is one of the fragrance components that must be listed separately when present above certain levels. People with known fragrance sensitivities may choose to monitor for it.
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Linalool Fragrance ingredientsFragrance component
A fragrance component found naturally in many flowers and spices.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Benzyl Alcohol PreservativesPreservative
Helps preserve formulations and can also act as a solvent or light fragrance component.
May suitThose interested in understanding preservative systems or identifying potential fragrance allergens.
Worth knowingBenzyl Alcohol is commonly used in professional haircare to support product stability and texture. It can also naturally occur in some essential oils.
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Alpha-Isomethyl Ionone Fragrance ingredientsFragrance component
A fragrance component with a soft, violet-like character.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Citronellol Fragrance ingredientsFragrance component
A fragrance component with a soft floral, rose-like character.
Worth knowingA fragrance component that must be listed separately on labels because a minority of people can be sensitive to it. Its presence is normal, required disclosure and is not a quality signal.
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Coumarin Fragrance ingredientsFragrance component
Coumarin is a fragrance ingredient that adds a sweet, warm, slightly herbal note to scented formulations.
May suitThose who enjoy subtly sweet, complex fragrance profiles in their haircare products.
Worth knowingIt is one of the fragrance components that must be listed individually when present above certain levels, as some people may prefer to monitor specific scent materials. Its presence does not indicate the overall strength of a product's fragrance.
Questions and Answers
Reviews: Redken Extreme CAT Treatment
Hair always looks great after but need the time to do it
Written by Elaine On 12/02/2020
2 people found this helpful




