Redken Extreme Strengthening Shampoo for Damaged Hair — Protein-Enriched, pH-Balanced Repair

Redken Extreme Shampoo is a protein-enriched strengthening shampoo designed to cleanse, reinforce and help repair damaged hair from root to tip.

If your hair shows signs of breakage, split ends or weakness from heat, chemical services or daily stressors, this salon-grade formula uses Redken’s RCT Protein Complex and Strength Complex to target three hair levels for improved resilience. The cleanser removes buildup while delivering amino acids, arginine and citric acid to fortify strands and smooth the cuticle. It’s pH-balanced for routine use and fits into a broader Extreme system for more intensive repair.

How does Redken Extreme Shampoo strengthen fragile hair?

The shampoo combines a targeted protein system with conditioning acids to reinforce hair structure. Proteins and amino acids help rebuild weakened fiber, while arginine supports strength and citric acid smooths the surface for less friction.

• RCT Protein Complex targets root, core and tip for layered support
• Amino acids and arginine fortify fragile and chemically treated areas
• Citric acid conditions cuticles, improving shine and slip
• pH-balanced formula suitable for frequent cleansing

Will this shampoo help reduce breakage from heat styling and color services?

While no shampoo can completely prevent mechanical or chemical damage, Extreme Shampoo helps reduce the risk by strengthening weak points and smoothing the hair surface. Regular use within the Extreme regimen improves manageability and resilience.

• Strength Complex supports resilience against heat and styling stress
• Gentle cleansing removes buildup that worsens breakage
• Use with conditioners and treatments in the Extreme line for best results
• Suitable for color-treated hair when paired with color-safe products

How often can I use this product and what results should I expect?

Redken Extreme Shampoo is formulated for daily to regular use; frequency depends on hair type and styling habits. Users typically notice smoother, easier-to-manage hair and fewer snap-offs over weeks of consistent use, especially when combined with strengthening conditioners and treatments.

• Daily or regular use safe due to balanced pH and conditioning actives
• Progressive improvement in texture and reduced breakage with continued use
• Best when used together with Extreme Conditioner and leave-in treatments
• Works across a range of damaged types: heat, chemical and mechanical

What are the key ingredients and how do they benefit my hair?

The formulation centers on Redken’s Strength Complex and RCT Protein Complex, blending targeted proteins with conditioning acids for multi-level repair. These actives rebuild inner strength while improving surface smoothness and shine.

• RCT Protein Complex—delivers proteins to root, core and tip for comprehensive support
• Amino acids—help reconstruct and strengthen weakened fiber
• Arginine—supports elasticity and resistance to breakage
• Citric acid—conditions and enhances cuticle alignment for a smoother finish

Who is this for: Redken Extreme Shampoo is ideal for people with weakened, brittle or chemically/thermally stressed hair seeking a professional-strength cleanser that not only removes impurities but also reinforces strands. It works well for those who style frequently, color-treat hair, or want to incorporate a targeted strengthening step into their daily routine. Pair it with complementary Extreme conditioners and treatments for an accelerated repair program and the best long-term improvement in hair resilience and manageability.

Ingredients

Aqua/Water/Eau, Sodium Laureth Sulfate, Coco-Betaine, Glycol Distearate, Sodium Chloride, Dimethicone, Parfum/Fragrance, Cocamide Mipa, Sodium Benzoate, Hexylene Glycol, Salicylic Acid, Guar Hydroxypropyltrimonium Chloride, Carbomer, Cetyl Alcohol, Sodium Cocoyl Amino Acids, Behentrimonium Methosulfate, Quaternium-33, Potassium Dimethicone Peg-7 Panthenyl Phosphate, Benzyl Benzoate, Sodium Sarcosinate, Propylene Glycol, Limonene, Benzyl Alcohol, Arginine, 2-Oleamido-1,3-Octadecanediol, Hydrolyzed Soy Protein, Linalool, Fumaric Acid, Hydrolyzed Vegetable Protein Pg-Propylsilanetriol, Phenoxyethanol, Tetrasodium Edta, Potassium Sorbate, Sodium Hydroxide, Citric Acid (D184533/1) Us Pat./Brevet Américain: 6,294,160.