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K18 Hair Care Collection – molecular repair treatment for damaged hair

K18

K18 is a science-backed hair care brand specialising in molecular repair technology designed to reverse chemical and physical damage. Each product in the K18 collection is formulated with their patented peptide technology to restore hair strength, elasticity, and shine.

K18's innovative approach to hair repair complements all your hair care essentials. Use K18 products alongside your shampoo and conditioner routine, and pair with finishing products for complete damage protection. Explore K18's full range of molecular repair treatments designed for damaged, chemically treated, and stressed hair.

Experience the science of hair repair. K18's cutting-edge formulations are trusted by professional stylists worldwide for delivering measurable results in hair health and appearance.

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K18 Leave-In MaskK18 Leave-In Mask
K18
K18 Leave-In Mask Sale priceFrom $28.00
(3.0)
K18 Peptide Prep Detox ShampooK18 Peptide Prep Detox Shampoo
K18
K18 Peptide Prep Detox Shampoo Sale priceFrom $25.00
K18 Damage Shield pH Protective ShampooK18 Damage Shield pH Protective Shampoo
K18 Damage Shield Protective ConditionerK18 Damage Shield Protective Conditioner
K18 AirWash Dry Shampoo
K18
K18 AirWash Dry Shampoo Sale price$115.00
K18 HeatBounce hair product bottle on a pink backgroundK18 BHeatBounce spray bottle on a pink background
K18
K18 Heat Bounce Heat Protectant Sale priceFrom $50.00
K18 Astrolift Volume SprayK18 Astrolift Volume Spray
K18
K18 Astrolift Volume Spray Sale priceFrom $50.00
K18 Repair Oil
K18
K18 Repair Oil Sale price$125.00
K18 TripleBright Purple ShampooK18 TripleBright Purple Shampoo

Transform your hair with the K18 Hair Care Collection — the breakthrough in hair repair science. Using patented K18Peptide™ technology, this system reverses damage from bleach, colour, and heat, leaving hair smooth, strong, and resilient. Discover clinically proven results with every wash.

Why Choose K18 Hair Care?
Reverses Hair Damage – Repairs hair’s keratin structure in just 4 minutes.
Clinically Proven Results – Restores strength, softness, and elasticity.
Protects Against Future Damage – Shields hair from ongoing chemical or heat stress.

Who’s It For?
Colour-Treated Hair – Rebuilds broken bonds for vibrant, healthy results.
Bleached Hair – Restores integrity and reduces breakage.
Heat-Styled Hair – Protects from damage and dryness.
Frizzy or Brittle Hair – Smooths texture and boosts manageability.

How K18 Works
Unlike traditional conditioners or masks, K18’s patented peptide reconnects broken keratin chains to restore your hair’s core strength. The result is healthy, supple hair that looks and feels reborn — without masking damage or adding buildup.

How to Use K18 Products
Shampoo with K18 Peptide Prep Detox Shampoo, towel-dry, and apply K18 Leave-In Molecular Repair Mask. Skip conditioner—this is your treatment. Wait 4 minutes, then style as usual. Use regularly to maintain strong, healthy hair.

Benefits of K18 Hair Care
- Repairs damage from bleach, colour, and heat
- Restores strength, smoothness, and elasticity
- Clinically proven peptide-powered results
- Vegan, cruelty-free, and colour-safe

FAQ
Q: What makes K18 different from other hair repair treatments?
K18 uses a patented K18Peptide™ that reconnects keratin chains at the molecular level, providing lasting hair repair — not just temporary coating.
Q: Can I use K18 with my regular shampoo and conditioner?
Yes, but for best results, use the K18 Leave-In Molecular Repair Mask after shampooing and skip conditioner.
Q: Is K18 suitable for all hair types?
Absolutely — K18 works on straight, curly, coloured, bleached, and textured hair to restore strength and elasticity.