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Mini Leave-In Molecular Repair Hair Mask 15 mL
Regular price £30
Regular price £0 Sale price £30
Leave-in molecular repair hair mask 15mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
Grey curly hair before and after results using k18.
Red curly hair before and after results using k18.
Bleach blonde hair before and after results using k18.
get stronger, more resilient hair. left - 8x bleach without K18, right 8x bleach with K18
the K18 routine
Mini Leave-In Molecular Repair Hair Mask 15 mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
less is more
works for all hair types
where does K18 fit into your routine?
Mini versus full size product comparison
Mini Leave-In Molecular Repair Hair Mask 15 mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
K18 routine guide
4.7
Rated 4.7 out of 5 stars
8,435 Reviews

mini leave-in molecular repair hair mask

Size:
15 mL
Regular price £30
Regular price £0 Sale price £30
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Color:
15 mL

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Leave-in molecular repair hair mask 15mL

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description

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat* – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.


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*Disclaimers

    • ingredients
    • dos and don'ts
    • key benefits
    • more to know
    • how to use
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Leave-in molecular repair hair mask 15mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
Grey curly hair before and after results using k18.
Red curly hair before and after results using k18.
Bleach blonde hair before and after results using k18.
get stronger, more resilient hair. left - 8x bleach without K18, right 8x bleach with K18
the K18 routine
Mini Leave-In Molecular Repair Hair Mask 15 mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
less is more
works for all hair types
where does K18 fit into your routine?
Mini versus full size product comparison
Mini Leave-In Molecular Repair Hair Mask 15 mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
K18 routine guide
got questions?
how does the k18 mask work?
what is the k18peptide™?
why skip conditioner?
i noticed there’s alcohol in the formula, isn’t that bad for you?
when should i expect to see results?
how to use molecular repair mask
feel what's possible with K18
4.7
Rated 4.7 out of 5 stars
Based on 8,435 reviews
93%would recommend these products
Reviews Summary
Customers say this hair mask transforms damaged, bleached, and chemically-treated hair, making it softer, stronger, and more manageable. Many report significant improvements in hair texture, with reduced breakage, split ends, and frizz. Users with curly hair find it enhances curl definition and reduces dryness. The lightweight formula doesn't weigh hair down or leave residue. Many reviews mention it works particularly well for bleached hair, helping restore smoothness and shine. Some note the price is high but find it worthwhile since only small amounts are needed per use.
Customers Talked About
8,435 reviews
  • Simone O.
    Verified Buyer
    Reviewing
    Leave-In Molecular Repair Hair Mask Sample
    I recommend this product
    Rated 5 out of 5 stars
    5 hours ago
    Impressive!

    Just what I needed for my hair. I was tired of buying products that was making my hair so heavy. This is just ridiculous good!

    KU Profile picture for K18Hair UK
    K18Hair UK
    4 hours ago

    Thank you so much for the love! 💙 We're thrilled to hear the Leave-In Molecular Repair Hair Mask is delivering exactly what you needed without the heaviness. So happy it's working amazingly for you! ✨

  • Michelle K.
    Verified Buyer
    Reviewing
    Jumbo Leave-In Molecular Repair Hair Mask 100mL
    I recommend this product
    Age 55 - 64
    Hair Concern Fragile/brittle hair, Chemical damage, Heat damage
    Hair Type Grey Hair
    My Results Soft Touchable Hair, Visible Difference
    Rated 4 out of 5 stars
    3 days ago
    The Leave-In Molecular Repair Hair Mask Softens my Brittle Strands

    I would give this 5 stars, but the container is not user-friendly for anyone with carpal tunnel and/or arthritis. The pump requires considerable pressure and can be painful to use. Other than the packaging, I am very pleased with the results. The mask leaves my brittle hair noticeably softer—when I can get it out of the container!

    KU Profile picture for K18Hair UK
    K18Hair UK
    3 days ago

    Thank you so much for the feedback, Michelle! We're thrilled the mask is delivering amazing results for your hair. We really appreciate you sharing the packaging concern - we'll definitely pass this along to our team. 💙

  • Sheri D.
    Verified Buyer
    Reviewing
    Full-Size Leave-In Molecular Repair Hair Mask 50mL
    I recommend this product
    Age 55 - 64
    Hair Concern Frizz, Dryness
    Hair Type Thick/Coarse
    My Results Less Frizz, Soft Touchable Hair
    Rated 4 out of 5 stars
    4 days ago
    I see some improvement I hair texture.

    I have used K18 for the last 4 washing and I can actually say I have seen improvement in my hair. I have long. Think hair. The ends were stating to feel dry and frizzy. My hair has improved with K18.

    KU Profile picture for K18Hair UK
    K18Hair UK
    4 days ago

    Thank you so much for the love! 💙 We're thrilled to hear you're seeing improvement in your hair texture with the K18 Leave-In Molecular Repair Hair Mask! ✨

  • Oliviah M.
    Verified Buyer
    Reviewing
    Full-Size Leave-In Molecular Repair Hair Mask 50mL
    I recommend this product
    Age 18 - 24
    Hair Concern Chemical damage, Color-care, Dryness, Split-Ends
    Hair Type Straight/Wavy, Medium Density
    My Results Visible Difference, Soft Touchable Hair, Smoother Hair, Less Frizz
    Rated 5 out of 5 stars
    6 days ago
    Worked very well!

    I really really enjoyed the product! I have bleached my hair maybe 6 times this past year and it’s brought my hair back to life!

    KU Profile picture for K18Hair UK
    K18Hair UK
    6 days ago

    Thank you so much for the love! 💙 We're thrilled to hear that the Leave-In Molecular Repair Hair Mask has brought your hair back to life! It's amazing to know it's making such a difference for you. We're so grateful you're enjoying it! ✨

  • Hazzel J.
    Verified Buyer
    Reviewing
    Full-Size Leave-In Molecular Repair Hair Mask 50mL
    I recommend this product
    Age 18 - 24
    Hair Concern Chemical damage, Color-care, Frizz, Dryness, Split-Ends
    Hair Type Thick/Coarse
    My Results Less Frizz, Bouncy Hair, Visible Difference, Stronger Hair, Smoother Hair
    Rated 5 out of 5 stars
    1 week ago
    Amazing for bleached hair

    I absolutely love this product! My hairdresser recommended it to me, and I’m so glad I tried it. My hair is bleached and has been through a lot of processing, and K18 is honestly the only product I’ve tried that has made a noticeable difference. My hair feels so much healthier, softer, and more manageable after using it. A little goes a long way, too. Definitely worth it for damaged or bleached hair. I’ll absolutely keep using this! ❤️

    KU Profile picture for K18Hair UK
    K18Hair UK
    1 week ago

    We're so thrilled your hairdresser recommended us! 💕 We love hearing that the Molecular Repair Mask is making such a noticeable difference for your bleached hair. Thank you for the love! ✨

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