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K18 has revolutionized hair care with its clinically proven, science-backed products. By understanding the biology of hair, K18 has identified the root cause of hair damage and developed a hero bioactive peptide that targets and repairs broken bonds, bringing back the hair's strength, softness, smoothness, and bounce. Their ethos centres around empowering individuals to express their identity and experiment with hairstyles while maintaining the vitality and health of their hair. K18 is where biotech meets hair care, offering a transformative solution for every hair type and salon service.


Products in the K18 Hair Collection

PEPTIDE PREP™ PRO chelating hair complex



This PRO-exclusive innovative no-mix, spray-on demineralizing treatment works to effectively reduce 7 of the most common types of metals + minerals in just 4 minutes.

The result is better, more even colour + chemical services, revived colour vibrancy, restored smoothness and bounce, and improved effectiveness of products and styling.

For Professional Use Only.

Size: 300ml

PEPTIDE PREP™ pH maintenance shampoo

A pH-optimized cleansing shampoo formulated with K18PEPTIDE™

A cleansing shampoo microdosed with the patented K18PEPTIDE™. Powerful yet non-stripping formula is designed with an optimized pH that is safe enough for everyday use.

  • pH optimised
  • microbiome friendly
  • 17 ingredients + patented peptide

Size: 250ml, 930ml  

PEPTIDE PREP™ detox shampoo

A colour-safe clarifying shampoo formulated with K18PEPTIDE™.

A colour-safe clarifying shampoo with skincare-inspired ingredients + microdosed with the patented K18PEPTIDE™ to nourish hair while removing buildup for a clean, healthy hair canvas.

  • pH optimised
  • clears excess buildup
  • 17 ingredients + patented peptide

Size: 250ml, 930ml

professional molecular repair mist

Part of the K18 molecular repair service

A pre-service treatment that strengthens hair before a chemical service - in 4 minutes.

This leave-in, lightweight mist uses the K18PEPTIDE™ to help strengthen hair’s defenses and make it more resilient prior to potentially damaging salon services.

For Professional Use Only.

Size: 300ml

professional molecular repair mask

Part of the K18 molecular repair service

A post-service treatment that repairs damage caused during any salon service. Clinically proven to repair & reverse damage from chemical services and thermal styling – in 4 minutes.

For Professional Use Only.

Size: 150ml

molecular repair hair oil



Strengthening, smoothing hair oil works on two levels of the hair fiber to fight frizz.

This biotech-engineered weightless oil works on all hair types to strengthen, repair damage, reduce frizz at two levels of the hair fibre, and improve shine.

  • clinically proven damage repair
  • 24-HR frizz control
  • 104% more shine
  • 78% reduction in split ends
  • 450°F (232°C) heat protection

Size: 30ml

For more information or to place an order call our friendly Club Services Team on

0800 458 4565