K18 Leave-In Molecular Repair Hair Mask

A lightweight leave-in treatment powered by K18’s biomimetic peptide technology to help support stronger, smoother-looking hair in minutes—no rinse needed.

  • Helps reduce the look of hair damage and breakage
  • Supports softness, strength, and improved manageability
  • Works in as little as 4 minutes, no rinse required
  • Lightweight formula, won’t weigh hair down

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real people, real results

see more #k18results

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"I absolutely love this product!! You have to see it to believe it!"
- Christina Marie P."
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"...I had my hair chopped (it was begging for it) along with some highlights and coloring of the roots. My hair stylist used this on my hair and I absolutely loved how it made my hair feel ... I love this mask so much!"
- Ashley P."
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"Amazing the way it feels and the shineprovides to the hair instantly."
- Sandra M."
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"l've been using this mask for about fourwashes so far. I feel that my hair is getting healthier."
- Olga S."
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"It makes my hair so soft and weightless, I absolutely love it... Makes my hair feel so luxurious, it's like I just left the salon. Can't recommend this product more!"
- Anastasiia T."
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"My hair has been a mess for years... My new hair stylist recommended K18! ... My hair looks and feels amazing with lasting results!!"
- Arnell M"
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"I have heat damaged color treated curly hair and this has improved my hair health immensely...This is one of those products that has incorporated itself into my routine for the rest of my life..."
- Siria A."

see the K18 difference

    see the K18 difference

      inspired by nature,designed for you

      Using synthetic biology + biomimetics,
      we solve hair concerns from the inside out.

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