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:
E Cosmetics
E Cosmetics Keratin Active Hair Restorer Step 3 – Professional Reconstruction Treatment
- Regular price
- $74.99
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$99.99 - Sale price
- $74.99
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Vendor:
E Cosmetics
E Cosmetics Intensive Moisturizer with Caviar Step 4 – Professional Deep Hydration Mask
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- $89.99
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$119.99 - Sale price
- $89.99
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Vendor:
E Cosmetics
E Cosmetics Co-Wash – Cleansing Conditioner for Repaired & Moisturized Hair
- Regular price
- $74.99
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$99.99 - Sale price
- $74.99
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Vendor:
E Cosmetics
E Cosmetics Blond Shield Keratin Treatment – Bond Repair for Bleached & Lightened Hair
- Regular price
- $104.99
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$139.99 - Sale price
- $104.99
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Vendor:
E Cosmetics
E Cosmetics Active Reconstructor Step 2B – Professional Keratin Bond Repair Treatment
- Regular price
- $119.99
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$159.99 - Sale price
- $119.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Série Expert Molecular Molecular Repair Mask for...
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- $34.99
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- $34.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Série Expert Molecular Holiday Gift Set Shampoo...
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- $95.99
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- $95.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Série Expert Holiday Gift Set Shampoo & Mask
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- $58.99
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- $58.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Duo Shampoo Molecular & Metal Detox Each
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- $53.99
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$63.99 - Sale price
- $53.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Molecular Shampoo Duo 2 X Molecular Repair
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- $53.99
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$63.99 - Sale price
- $53.99
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Série Expert Molecular Repair Care Duo
- Regular price
- $108.68
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- $108.68
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Vendor:
L'Oréal Professionnel
L'Oréal Professionnel Absolut Repair Série Expert Restructuring Care Duo
- Regular price
- $84.99
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$0.00 - Sale price
- $84.99
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Vendor:
Joico
Joico YouthLock Treatment Masque – Collagen Mask for Nourished Hair, Bounce, Shine & Frizz Reduction
- Regular price
- $32.99
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- $32.99
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Vendor:
Joico
Joico YouthLock Shampoo – SLS and SLES Free Cleanse for Shine & Reduced Hair Fall from Breakage
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- $32.99
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$42.99 - Sale price
- $32.99
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Vendor:
Joico
Joico K-PAK Cuticle Sealer – pH-Balancing Conditioner to Smooth, Seal & Strengthen Damaged Hair 1 L
- Regular price
- $32.99
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$42.99 - Sale price
- $32.99
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Vendor:
Joico
Joico Defy Damage Sleepover – Overnight Bond-Building Nourishing Treatment
- Regular price
- $16.99
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- $16.99
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Vendor:
Joico
Joico Defy Damage In a Flash – Instant Bond-Strengthening Reconstructing Treatment
- Regular price
- $32.99
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$43.99 - Sale price
- $32.99
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Vendor:
Joico
Joico Defy Damage KBOND20 Power Masque – Intensive Bond-Strengthening Treatment
- Regular price
- $80.99
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$106.99 - Sale price
- $80.99
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Vendor:
Joico
Joico Defy Damage Invincible – Frizz-Fighting Bond Protector Spray
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- $17.00
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- $17.00
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Vendor:
Joico
Joico Defy Damage Detox Shampoo – Purifying Cleanser for Stronger, More Resilient Hair
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- $32.99
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$42.99 - Sale price
- $32.99
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Vendor:
Sexyhair
SexyHair Healthy Strengthening Nectarine Mask for Anti-Breakage, 200ml
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- $23.99
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$27.75 - Sale price
- $23.99
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Vendor:
Sexyhair
SexyHair Protect Me Hot Tool Protection Spray 450F Defense
- Regular price
- $21.99
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$25.25 - Sale price
- $21.99
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Vendor:
BLONDME
BLONDME Bondfinity Deep Repair Mask – Bond Repair for Damaged Blonde Hair | 500ml
- Regular price
- $47.99
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$53.00 - Sale price
- $47.99
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Vendor:
Bonacure
Bonacure Repair Rescue Shampoo & Conditioner – Reverses 3 Years of Damage & Restores Hair Strength
- Regular price
- $30.99
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$42.00 - Sale price
- $30.99
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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.