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Leave-in molecular repair hair mask 15mL
Mini Leave-In Molecular Repair Hair Mask 15 mL
Red curly hair before and after results using k18.
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
9,304 Reviews
tsa-approved

mini leave-in molecular repair hair mask

Size:
15mL
Regular price $29
Regular price $0 Sale price $29
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Color:
15mL

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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
Red curly hair before and after results using k18.
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 9,304 reviews
93%would recommend these products
Reviews Summary
Customers say this leave-in hair mask transforms their hair texture and manageability after just one use. Many reviews mention noticeable improvements in softness and reduced frizz. Users with curly, fine, and color-treated hair report positive results. The mask works well for various hair types, with many noting improved texture and easier styling. While some mention the product's high price point, most find a little goes a long way. A few users recommend using conditioner alongside the mask for best results. Reviews consistently highlight the mask's effectiveness for addressing dry, brittle hair concerns.
Customers Talked About
9,304 reviews
  • Юлія Ш.
    Verified Buyer
    Reviewing
    Full-Size Leave-In Molecular Repair Hair Mask 50mL
    I recommend this product
    Age 35 - 44
    Hair Concern Chemical damage
    Hair Type Grey Hair, Medium Density
    My Results Less Frizz, Visible Difference, Smoother Hair, Soft Touchable Hair
    Rated 5 out of 5 stars
    3 hours ago
    This mask is fantastic!

    This mask genuinely delivers. My hair was dry and damaged from coloring, and after just the first use it felt noticeably softer and more manageable. Less breakage, less frizz, and split ends look better too.

    K Profile picture for K18Hair
    K18Hair
    2 hours ago

    Thank you so much for the 5-star review! We're thrilled to hear our Leave-In Molecular Repair Hair Mask is delivering such fantastic results for your hair. 💙✨

  • Tiffany M.
    Verified Buyer
    Reviewing
    Leave-In Molecular Repair Hair Mask Deluxe Sample
    I recommend this product
    Rated 5 out of 5 stars
    15 hours ago
    Need more

    Need more!!

    K Profile picture for K18Hair
    K18Hair
    14 hours ago

    Thank you so much for the 5-star review, Tiffany! We're thrilled to hear you're loving the Leave-In Molecular Repair Hair Mask! 💙✨

  • Tiffany M.
    Verified Buyer
    Reviewing
    Full-Size Leave-In Molecular Repair Hair Mask 50mL
    I recommend this product
    Age 35 - 44
    Hair Concern Chemical damage
    Hair Type Medium Density
    My Results Less Frizz, Bouncy Hair, Visible Difference, Less Breakage, Defined Curl/Wave Pattern
    Rated 5 out of 5 stars
    15 hours ago
    Love it!

    I was skeptical but pleasantly surprised. I have color damage and this melted into my dry hair right away! I will be purchasing again!

    K Profile picture for K18Hair
    K18Hair
    14 hours ago

    Thank you so much for the love, Tiffany! 💙 We're thrilled you're loving the Full-Size Leave-In Molecular Repair Hair Mask! ✨ We can't wait to see you again!

  • Viktoria R.
    Verified Buyer
    Reviewing
    Full-Size Leave-In Molecular Repair Hair Mask 50mL
    I recommend this product
    Age 35 - 44
    Hair Concern Color-care, Dryness, Frizz
    Hair Type Curly/Coily
    My Results Smoother Hair, Soft Touchable Hair
    Rated 4 out of 5 stars
    21 hours ago
    Easy and good

    Detangles and makes your hair soft.

    K Profile picture for K18Hair
    K18Hair
    20 hours ago

    Thank you so much for the love! 💙 We're thrilled to hear you're enjoying how our Leave-In Molecular Repair Hair Mask detangles and softens your hair! ✨

  • Tiffany A.
    Verified Buyer
    Reviewing
    Jumbo Leave-In Molecular Repair Hair Mask 100mL
    I recommend this product
    Age 45 - 54
    Hair Concern Heat damage, Fragile/brittle hair, Dryness
    Hair Type Fine/Thin
    My Results Visible Difference, Smoother Hair, Less Frizz
    Rated 5 out of 5 stars
    22 hours ago
    Made my hair feel stronger and smoother

    I’ve been really impressed with the K18 Leave-In Molecular Repair Hair Mask. My hair is dry and prone to breakage, and after using this it felt noticeably softer, smoother, and stronger without feeling heavy or coated. It also helped with frizz and made my hair much easier to manage. A little goes a long way, and I like that it’s a leave-in treatment. I would definitely repurchase this.

    K Profile picture for K18Hair
    K18Hair
    21 hours ago

    Thank you so much for the love! 💙 We're thrilled to hear the Jumbo Leave-In Molecular Repair Hair Mask is delivering the stronger, smoother results you hoped for! ✨

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