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K18 Leave-In Molecular Repair Hair Mask

leave-in treatment for repairing keratin chains
4-minute leave-in treatment to clinically reverse hair damage. For all hair types. Benefits Works as a post-service part of 2-step in-salon service or can be used as a stand-alone treatment...
More information
Versions K18 Leave-In Molecular Repair Hair Mask
Contents Availability Price

In stock (10+ pcs)

7.18 £

143.60 £ / 100 ml


In stock (10+ pcs)

39.34 £

78.68 £ / 100 ml


In stock (10+ pcs)

57.63 £

38.42 £ / 100 ml

15ml On request The product is sold out shortly or it's a novelty. Availability on request. /Please contact us for availability.

17.77 £

118.47 £ / 100 ml

K18 Leave-In Molecular Repair Hair Mask

4-minute leave-in treatment to clinically reverse hair damage. For all hair types.


  • Works as a post-service part of 2-step in-salon service or can be used as a stand-alone treatment for clients
  • Repairs damage caused by bleach, color, heat or chemical services
  • Reconnects and repairs broken keratin chains
  • Restores strength, softness, smoothness, and bounce to hair
  • Ensures less breakage after color services
  • Easy leave-in formula delivers lasting results
  • Restores 91% of original strength and 94% of original elasticity after a single use*
  • Lightweight formula hydrates without weighing it down
  • Leaves hair soft, smooth, strong and supple, which looks like new
  • 100% vegan and cruelty-free, color-safe formula
  • pH 5.0-6.0 helps to close the cuticle and seal in the peptide
  • The light floral scent features notes of jasmine and peony

*Result observed in a clinical study while using mist and mask as part of bleaching tretment. Result may vary depending on hair type, quality and history.


  • K18Peptide™ - is a breakthrough molecule that hair care has been waiting for. This patented peptide technology is clinically proven to reverse damage in just 4 minutes. It is just the right size and molecular structure to reach the innermost layers of hair and re-connect broken keratin chains responsible for hair's strength and elasticity. The repair is permanent, it does not wash out when washing hair.

How to use

  • Shampoo, do not condition. Towel dry thoroughly.
  • Begin with 1 pump of the K18 Mask and add more as needed depending on the length, thickness, and condition.
  • Work evenly into hair from ends to roots, one pump at a time.
  • Let sit for 4 minutes to activate.
  • Do NOT rinse out. Style as usual.
  • For best results, use every 4-6 consecutive washes following a service.

Tip! Do use a clarifying shampoo if you’re a heavy product or dry shampoo user.


Water (Aqua) (Eau) • Alcohol Denat. • Propylene Glycol • Cetearyl Alcohol • Dicaprylyl Ether • Cetyl Esters • Behentrimonium Chloride • Polysorbate 20 • sh-Oligopeptide-78 (K18Peptide™) • Hydrolyzed Wheat Protein • Hydrolyzed Wheat Starch • Isopropyl Alcohol • Tocopherol • Phenoxyethanol • Potassium Sorbate • Citric Acid • Fragrance (Parfum) • Geraniol • Linalool • Hexyl Cinnamal • Benzyl Alcohol


Avoid contact with eyes. Rinse immediately if product comes into contact with them.

Key features
For whom: For women
Hair type: All types
Concern of hair: Frizz, Damage, Dryness, Split ends
Benefit: Smoothing, Regeneration, Detangling, Hydratation, Strengthening
Ingredients: Sulfate free Without irritating sulphates SLS, SLES , Paraben free, Silicon free, Vegan, Synthetic color free, Cruelty free, Sodium chloride free
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Catherine Neat hair and skin specialist
Catherine Neat
hair and skin specialist

+44 330 808 5640
At workdays: 8:00-16:30

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