K18 Biomimetic Hairscience


K18 Leave-In Repair Hair Mask Treatment to Repair Dry or Damaged Hair – 4 Minutes to Reverse Hair Damage from Bleach, Color, Chemical Services and Heat, 50 ml

Size: 50ml / 1.70 Fl Oz (Pack of 1)

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What Is K18?

Think of your hair as a ladder that is made up of bonds. Disulfide bonds are the horizontal rungs of the ladder. There are also polypeptide chains that are the sides of the ladder, connecting the rungs vertically. When our hair undergoes any type of damage, those horizontal disulfide bonds can be broken — hence why bond builders have become more popular before, during, and after chemical treatments, explains K18 cofounder and CEO Suveen Sahib of the research he and his team did to create the product. Most bond builders make the outer structure of the hair — the hair cuticle — look smooth, glossy, and less damaged. As for the vertical polypeptide chains, though, they cannot be patched or “glued” together, which is where K18 comes in.

K18 works at a deeper level to molecularly change and repair the polypeptide chains that have been broken, as well as reconnecting the disulfide bonds. “K18 replicates the entire structure of these polypeptide chains,” says Sahib. “When they break, [K18] goes in there and reconnects them as if they weren’t damaged, bringing the chains back to the state that they were before they got chemically damaged. It mimics the structure.”


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.

Hair Type: Straight, Wavy, Curly, and Coily

Hair Texture: Fine, Medium, and Thick

How to use

  1. Shampoo, do not condition. Towel dry thoroughly.
  2. Begin with 1 pump of K18 Mask and add more as needed depending on the length, thickness, and condition. Work evenly into hair, one pump at a time, from ends to roots.
  3. Let sit for 4 minutes to activate.
  4. Do NOT rinse out. Style as usual.

Dos & Don’ts

  • Do use a clarifying shampoo if you’re a heavy product or dry shampoo user.
  • Do dry thoroughly with hair towel or turban before application.
  • Do wait the full 4 minutes before styling or applying another product.
  • DO use every 4-6 shampoos consecutively to see and feel the full results.
  • DON’T condition your hair before applying K18.
  • DON’T use too much.
  • DON’T rinse it out.

Key Benefits

K18Peptide™ is the miracle molecule haircare was waiting for. Clinically proven to reverse damage in just 4 minutes.

You’ll discover:

  • Like-new hair repaired from the inside out
  • Healed damage from bleach, color, chemical services, heat, and mechanical styling
  • Restored strength, softness, smoothness, and bounce
  • Reduced breakage, split ends, and color fade
  • pH balance of 5.0-6.0
  • Doesn’t wash away with shampoo, leaving lasting results
  • 91% original strength*
  • 94% original elasticity*

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

  • Vegan
  • Color Safe
  • Cruelty-Free
  • Dermatologist-Tested



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