Damaged & Brittle Hair
283 productsRepair From the Inside Out. Real Recovery for Damaged Hair.
Damaged hair isn't just a surface problem — the harm happens deep inside the strand, where chemical processes, heat, and mechanical stress break the bonds that give hair its strength and elasticity. Real repair means rebuilding from the inside: reconnecting broken disulfide bonds, replacing lost protein, and restoring the cuticle's ability to protect the cortex. Our damaged hair collection is built around this science — featuring bond builders, protein reconstructors, and cuticle-sealing treatments used by professional colorists and stylists across Canada.
Shop Damaged & Brittle Hair by Range
Vendor:
Oligo Professionnel
Oligo - Blacklight - Blue Conditioner
- Regular price
- $12.99
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$14.94 - Sale price
- $12.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Steampod . Ensemble 4.0 S√©rum Et Tech Bag
- Regular price
- $450.00
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$0.00 - Sale price
- $450.00
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Steampod . Ensemble 4.0 & S√©rum
- Regular price
- $450.00
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$0.00 - Sale price
- $450.00
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Metal Detox Shampoo Cream Duo 2 X Metal Removal
- Regular price
- $75.38
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- $75.38
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Steampod . Fer √† Vapeur 4.0 – Smoothing Care for Steampod Styling
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- $450.00
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$0.00 - Sale price
- $450.00
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Metal Detox Conditioner Anti Metal Care for Stronger Shinier Hair
- Regular price
- $34.99
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- Sale price
- $34.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Inforcer Conditioner Anti Breakage & Strengthening
- Regular price
- $48.99
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- $48.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Inforcer Strengthening Duo Shampoo + Conditioner
- Regular price
- $47.99
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- Sale price
- $47.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Pro Longer Trio for Strengthening Long Hair with Fragile Ends
- Regular price
- $64.99
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- Sale price
- $64.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Pro Longer Advanced Care Set for Thicker Stronger Hair
- Regular price
- $79.99
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- Sale price
- $79.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Pro Longer Intensive Repair Duo for Strengthening & Nourishment
- Regular price
- $44.99
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- Sale price
- $44.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Metal Detox Trio Shampoo + Mask + Oil
- Regular price
- $89.99
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- Sale price
- $89.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Metal Detox Pre Treatment Spray – Anti-Metal Anti-Breakage Care
- Regular price
- $32.99
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$40.00 - Sale price
- $32.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Metal Detox Oil – Anti-Metal Anti-Breakage Care
- Regular price
- $39.99
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$45.50 - Sale price
- $39.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Metal Detox Anti Deposit Protector Cream
- Regular price
- $39.99
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$45.50 - Sale price
- $39.99
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Vendor:
Redken
Redken Extreme Play Safe 450F Heat Protection and Damaged Hair Treatment
- Regular price
- $24.99
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- Sale price
- $24.99
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Vendor:
Redken
Redken Extreme Cat Protein Reconstructing Treatment – Reconstructing Treatment
- Regular price
- $26.25
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- $26.25
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Vendor:
Redken
Redken Extreme Conditioner – Strengthening Repair
- Regular price
- $20.00
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$24.00 - Sale price
- $20.00
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Vendor:
Redken
Redken Acidic Gloss Conditioner – Glass-Like Shine for Color-Treated Hair
- Regular price
- $24.99
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- $24.99
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Vendor:
Redken
Redken Acidic Gloss Shampoo – Glass-Like Shine for Color-Treated Hair
- Regular price
- $24.99
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- $24.99
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Vendor:
E Cosmetics
E Cosmetics Treatment Set – Complete Professional Brazilian Keratin System
- Regular price
- $404.99
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$539.99 - Sale price
- $404.99
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Vendor:
E Cosmetics
E Cosmetics Protein Shampoo Home Care – Strengthening Keratin Cleanser
- Regular price
- $32.99
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$43.99 - Sale price
- $32.99
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Vendor:
E Cosmetics
E Cosmetics Moisturizing Mask – Deep Hydration Treatment for All Hair Types
- Regular price
- $52.99
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$69.99 - Sale price
- $52.99
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Vendor:
E Cosmetics
E Cosmetics Keratin Reconstructor Enhanced Step 2A – Professional Protein Repair Treatment
- Regular price
- $74.99
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$99.99 - Sale price
- $74.99
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Which Damaged & Brittle Hair Products Are Right for You?
Frequently Asked Questions
Can damaged hair actually be repaired?
Partially. Once split ends form, trimming is the only true fix. But bond-building treatments (like Olaplex) can reconnect broken internal bonds and significantly improve strength, feel, and appearance — making the damage far less visible.
What's the difference between a protein treatment and a deep conditioner?
Protein treatments rebuild the hair's structural framework (great after chemical damage). Deep conditioners add moisture and softness. Damaged hair usually needs both — alternate weekly to balance strength with hydration.
How does Olaplex work?
Olaplex contains bis-aminopropyl diglycol dimaleate, which reconnects broken disulfide bonds in the hair's cortex. Unlike conditioning agents, it repairs structure — not just coating it. Used regularly, it progressively rebuilds hair integrity.
How long does it take to see results from repair treatments?
Most people notice softness and reduced breakage within 2–4 weeks of consistent use. Full structural recovery depends on how damaged the hair is — severe bleach damage may take 3–6 months of regular treatments.
Why Buy From ProHair?
We carry the professional repair systems used in top salons — Olaplex, Redken Extreme, Joico K-PAK, Wella Fusion — available for in-salon purchase or shipped directly to you. No watered-down retail versions.