K18 Best Sellers

K18 prep repair at-home duo K18 prep repair at-home duo
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K18

K18 prep repair at-home duo

The K18 Prep + Repair At-Home Duo combines deep detox cleansing with advanced molecular repair for salon-quality results at home Featuring the PEPTIDE PREP™ Detox Shampoo and the iconic Leave-In Molecular Repair Mask, this two-step system...
£70.00
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K18 Leave-in molecular repair hair mask 50ml K18 Leave-in molecular repair hair mask 50ml
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K18

K18 Leave-in molecular repair hair mask 50ml

Perfect for regular use or ongoing repair, the full-size K18 Leave-In Molecular Repair Hair Mask delivers salon-grade results at home for damaged, colour-treated and heat-stressed hair. Featuring the patented K18PEPTIDE™, this leave-in treatment...
£70.00
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K18 AirWash dry shampoo 118ml K18 AirWash dry shampoo 118ml
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K18

K18 AirWash dry shampoo 118ml

K18 AirWash™ Dry Shampoo redefines refresh days with a non-aerosol, biotech-powered formula that eliminates odour rather than masking it. Using patented odorBIND™ smart-release technology, it traps and neutralises odour-causing molecules...
£48.00
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K18 Airwash dry shampoo 47ml K18 Airwash dry shampoo 47ml
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K18

K18 Airwash dry shampoo 47ml

The K18 AirWash™ Dry Shampoo in a travel-friendly size delivers the same high-performance refresh as the full size, making it perfect for busy schedules, gym bags and weekends away. Powered by patented odorBIND™ smart-release...
£24.00
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K18 AstroLift reparative volume spray 118ml K18 AstroLift reparative volume spray 118ml
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K18

K18 AstroLift reparative volume spray 118ml

K18 AstroLift™ Reparative Volume Spray is a lightweight, buildable styling spray designed to boost natural volume while repairing the damage that causes hair to fall flat. Powered by K18PEPTIDE™, this advanced formula helps reverse...
£44.00
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K18 DAMAGE SHIELD pH protective shampoo 250ml K18 DAMAGE SHIELD pH protective shampoo 250ml
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K18

K18 DAMAGE SHIELD pH protective shampoo 250ml

Designed for everyday use, K18 DAMAGE SHIELD pH Protective Shampoo gently cleanses while protecting hair from daily damage, colour fade and frizz. Powered by K18PEPTIDE™ and plant-derived surfactants, the pH-optimised formula mimics hair’s...
£39.00
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K18 DAMAGE SHIELD protective conditioner 250 ml K18 DAMAGE SHIELD protective conditioner 250 ml
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K18

K18 DAMAGE SHIELD protective conditioner 250 ml

The K18 DAMAGE SHIELD Protective Conditioner is a lightweight yet deeply nourishing formula designed to strengthen hair while protecting it from everyday stressors. Powered by K18PEPTIDE™, biomimetic polysaccharides and a ceramide blend, it...
£39.00
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K18 HeatBounce conditioning heat protectant 118ml K18 HeatBounce conditioning heat protectant 118ml
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K18

K18 HeatBounce Conditioning Heat Protectant 118ml

K18 HeatBounce™ is a leave-in conditioning heat protectant designed to shield hair from extreme heat while reducing breakage and improving manageability. Powered by resilicore™ heat-shielding technology, inspired by heat-resistant proteins...
£48.00
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K18 Leave-in molecular repair hair mask 15ml K18 Leave-in molecular repair hair mask 15ml
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K18

K18 Leave-in molecular repair hair mask 15ml

The K18 Leave-In Molecular Repair Hair Mask is a powerful, leave-in treatment designed for anyone dealing with damaged, colour-treated or over-processed hair who wants real, lasting repair. Powered by the patented K18PEPTIDE™, this...
£30.00
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K18 Molecular repair hair oil 10ml K18 Molecular repair hair oil 10ml
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K18

K18 Molecular repair hair oil 10ml

This travel-friendly version of the K18 Molecular Repair Hair Oil delivers the same strengthening, smoothing and shine-boosting benefits in a compact size. Ideal for touch-ups on the go, it helps tame frizz, protect against heat and restore softness...
£27.00
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K18 Molecular repair hair oil 30ml K18 Molecular repair hair oil 30ml
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K18

K18 Molecular repair hair oil 30ml

The K18 Molecular Repair Hair Oil is a lightweight, silicone-free oil designed for anyone seeking smoothness, shine and long-term hair health without heaviness. Powered by K18PEPTIDE™ and nourishing natural oils, it works on two levels of the...
£65.00
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K18 PEPTIDE PREP detox shampoo 250ml K18 PEPTIDE PREP detox shampoo 250ml
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K18

K18 PEPTIDE PREP detox shampoo 250ml

K18 PEPTIDE PREP™ Detox Shampoo is a colour-safe, non-stripping clarifying shampoo designed to deeply cleanse hair and scalp without compromising hair health. Formulated with activated charcoal, salicylic acid and K18PEPTIDE™, it removes...
£39.00
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K18

K18 is a science-led haircare brand known for redefining what’s possible in hair repair and restoration. Rooted in a biology-first approach, K18 uses advanced biotech and biomimetic science to create patented technologies that work ...Read More

K18 is a science-led haircare brand known for redefining what’s possible in hair repair and restoration. Rooted in a biology-first approach, K18 uses advanced biotech and biomimetic science to create patented technologies that work with hair’s natural structure — addressing damage at its source rather than masking it.

By recreating nature’s solutions in the lab, K18 delivers lasting results for all hair types, helping hair stay strong, soft and resilient. Every formula is vegan, cruelty-free and thoughtfully developed to support healthier hair with long-term impact.

Why we chose K18:

  • They champion a biology-first approach that works in harmony with hair’s natural structure
  • They use patented biotech and biomimetic technology to deliver real, lasting repair
  • They create high-performance formulas that are vegan, cruelty-free and sustainably minded.

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  • K18 prep repair at-home duo K18 prep repair at-home duo
    Add to Basket The item has been added

    K18

    K18 prep repair at-home duo

    The K18 Prep + Repair At-Home Duo combines deep detox cleansing with advanced molecular repair for salon-quality results at home Featuring the PEPTIDE PREP™ Detox Shampoo and the iconic Leave-In Molecular Repair Mask, this two-step system...
    £70.00
    ON OFFER
    Add to Basket The item has been added
  • K18 Leave-in molecular repair hair mask 50ml K18 Leave-in molecular repair hair mask 50ml
    Add to Basket The item has been added

    K18

    K18 Leave-in molecular repair hair mask 50ml

    Perfect for regular use or ongoing repair, the full-size K18 Leave-In Molecular Repair Hair Mask delivers salon-grade results at home for damaged, colour-treated and heat-stressed hair. Featuring the patented K18PEPTIDE™, this leave-in treatment...
    £70.00
    ON OFFER
    Add to Basket The item has been added
  • K18 AirWash dry shampoo 118ml K18 AirWash dry shampoo 118ml
    Add to Basket The item has been added

    K18

    K18 AirWash dry shampoo 118ml

    K18 AirWash™ Dry Shampoo redefines refresh days with a non-aerosol, biotech-powered formula that eliminates odour rather than masking it. Using patented odorBIND™ smart-release technology, it traps and neutralises odour-causing molecules...
    £48.00
    ON OFFER
    Add to Basket The item has been added
  • K18 Airwash dry shampoo 47ml K18 Airwash dry shampoo 47ml
    Add to Basket The item has been added

    K18

    K18 Airwash dry shampoo 47ml

    The K18 AirWash™ Dry Shampoo in a travel-friendly size delivers the same high-performance refresh as the full size, making it perfect for busy schedules, gym bags and weekends away. Powered by patented odorBIND™ smart-release...
    £24.00
    ON OFFER
    Add to Basket The item has been added
  • K18 AstroLift reparative volume spray 118ml K18 AstroLift reparative volume spray 118ml
    Add to Basket The item has been added

    K18

    K18 AstroLift reparative volume spray 118ml

    K18 AstroLift™ Reparative Volume Spray is a lightweight, buildable styling spray designed to boost natural volume while repairing the damage that causes hair to fall flat. Powered by K18PEPTIDE™, this advanced formula helps reverse...
    £44.00
    ON OFFER
    Add to Basket The item has been added
  • K18 DAMAGE SHIELD pH protective shampoo 250ml K18 DAMAGE SHIELD pH protective shampoo 250ml
    Add to Basket The item has been added

    K18

    K18 DAMAGE SHIELD pH protective shampoo 250ml

    Designed for everyday use, K18 DAMAGE SHIELD pH Protective Shampoo gently cleanses while protecting hair from daily damage, colour fade and frizz. Powered by K18PEPTIDE™ and plant-derived surfactants, the pH-optimised formula mimics hair’s...
    £39.00
    ON OFFER
    Add to Basket The item has been added
  • K18 DAMAGE SHIELD protective conditioner 250 ml K18 DAMAGE SHIELD protective conditioner 250 ml
    Add to Basket The item has been added

    K18

    K18 DAMAGE SHIELD protective conditioner 250 ml

    The K18 DAMAGE SHIELD Protective Conditioner is a lightweight yet deeply nourishing formula designed to strengthen hair while protecting it from everyday stressors. Powered by K18PEPTIDE™, biomimetic polysaccharides and a ceramide blend, it...
    £39.00
    ON OFFER
    Add to Basket The item has been added
  • K18 HeatBounce conditioning heat protectant 118ml K18 HeatBounce conditioning heat protectant 118ml
    Add to Basket The item has been added

    K18

    K18 HeatBounce Conditioning Heat Protectant 118ml

    K18 HeatBounce™ is a leave-in conditioning heat protectant designed to shield hair from extreme heat while reducing breakage and improving manageability. Powered by resilicore™ heat-shielding technology, inspired by heat-resistant proteins...
    £48.00
    ON OFFER
    Add to Basket The item has been added
  • K18 Leave-in molecular repair hair mask 15ml K18 Leave-in molecular repair hair mask 15ml
    Add to Basket The item has been added

    K18

    K18 Leave-in molecular repair hair mask 15ml

    The K18 Leave-In Molecular Repair Hair Mask is a powerful, leave-in treatment designed for anyone dealing with damaged, colour-treated or over-processed hair who wants real, lasting repair. Powered by the patented K18PEPTIDE™, this...
    £30.00
    ON OFFER
    Add to Basket The item has been added
  • K18 Molecular repair hair oil 10ml K18 Molecular repair hair oil 10ml
    Add to Basket The item has been added

    K18

    K18 Molecular repair hair oil 10ml

    This travel-friendly version of the K18 Molecular Repair Hair Oil delivers the same strengthening, smoothing and shine-boosting benefits in a compact size. Ideal for touch-ups on the go, it helps tame frizz, protect against heat and restore softness...
    £27.00
    ON OFFER
    Add to Basket The item has been added
  • K18 Molecular repair hair oil 30ml K18 Molecular repair hair oil 30ml
    Add to Basket The item has been added

    K18

    K18 Molecular repair hair oil 30ml

    The K18 Molecular Repair Hair Oil is a lightweight, silicone-free oil designed for anyone seeking smoothness, shine and long-term hair health without heaviness. Powered by K18PEPTIDE™ and nourishing natural oils, it works on two levels of the...
    £65.00
    ON OFFER
    Add to Basket The item has been added
  • K18 PEPTIDE PREP detox shampoo 250ml K18 PEPTIDE PREP detox shampoo 250ml
    Add to Basket The item has been added

    K18

    K18 PEPTIDE PREP detox shampoo 250ml

    K18 PEPTIDE PREP™ Detox Shampoo is a colour-safe, non-stripping clarifying shampoo designed to deeply cleanse hair and scalp without compromising hair health. Formulated with activated charcoal, salicylic acid and K18PEPTIDE™, it removes...
    £39.00
    ON OFFER
    Add to Basket The item has been added