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molecular repair hair oil
one use of molecular repair hair oil delivers: clinically proven damage repair, 24-hr frizz control, 104% more shine, 78% reduction in split ends, and 450F heat protection
before + after K18 routine and hair oil image
78% reduction in split ends
silicone-free weightless oil is powered: K18PEPTIDE(TM), Avocado Oil, Sunflower Oil, Hemisqualane + Squalane.
highly concentrated formula. start with 1-3 drops, build as needed.
how damage + frizz related? before + after of outer and inner layer
K18 vs. other oils
molecular repair hair oil formula
4.9
Rated 4.9 out of 5 stars
480 Reviews

molecular repair hair oil

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description

This biotech-engineered weightless oil works on all hair types to strengthen, repair damage, reduce frizz at two levels of the hair fiber, and improve shine.

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    • key benefits
    • how to use
    • ingredients
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molecular repair hair oil
one use of molecular repair hair oil delivers: clinically proven damage repair, 24-hr frizz control, 104% more shine, 78% reduction in split ends, and 450F heat protection
before + after K18 routine and hair oil image
78% reduction in split ends
silicone-free weightless oil is powered: K18PEPTIDE(TM), Avocado Oil, Sunflower Oil, Hemisqualane + Squalane.
highly concentrated formula. start with 1-3 drops, build as needed.
how damage + frizz related? before + after of outer and inner layer
K18 vs. other oils
molecular repair hair oil formula
got questions?
Does the molecular repair hair oil work on all hair types?
Does the molecular repair hair oil provide heat protection?
Will the mask block the molecular repair hair oil from penetrating?
Will the molecular repair hair oil leave buildup or weigh down hair?
Can I mix the oil and mask together?
clinically proven smoothness
24
hour frizz control*
104%
more shine*
78%
reduction in split ends*
450
degree heat protection*
feel what's possible with K18
4.9
Rated 4.9 out of 5 stars
Based on 480 reviews
98%would recommend these products
Reviews Summary
Customers say this hair oil absorbs well without feeling greasy or heavy, leaving hair soft, shiny, and smooth. Many reviews highlight its lightweight formula and concentrated texture—just a few drops effectively tame frizz and flyaways. Users appreciate the pleasant scent and note visible results after even one use. Common feedback mentions improved manageability, reduced frizz, and enhanced shine, particularly for damaged or dry hair. Some customers mention the scent is strong. A few users report mixed results or initial stiffness, while one found it dried their hair out.
Customers Talked About
480 reviews
  • Tara C.
    Verified Buyer
    Reviewing
    mini molecular repair hair oil
    I recommend this product
    Age 35 - 44
    Hair Concern Extending time between washes
    Hair Type Fine/Thin
    My Results Visible Difference, Shinier Hair
    Rated 5 out of 5 stars
    3 weeks ago
    Amazing product

    I have fine hair that isn’t damaged, but needs a little sparkle when it’s finished. This product does just that, without weighing it down or making it look greasy. Just a little on the finished ends and I’m out the door!

    K18Hair PRO
    3 weeks ago

    Thank you so much for the amazing 5-star review! 💗 We're thrilled to hear that our Mini Molecular Repair Hair Oil is giving your fine hair that perfect sparkle without any weight or greasiness. It's so great to know you've found the ideal finishing touch! ✨

  • Kelly C.
    Verified Buyer
    Reviewing
    mini molecular repair hair oil
    I recommend this product
    Age 18 - 24
    Hair Concern Chemical damage, Fragile/brittle hair, Dryness
    Hair Type Curly/Coily, Medium Density
    My Results Defined Curl/Wave Pattern, Smoother Hair
    Rated 4 out of 5 stars
    1 month ago
    Good for damaged hair

    My hair is very chemically damaged, I’ve noticed since using this product that my hair is curling better than it was before and is softer too.

    K18Hair PRO
    1 month ago

    Thank you so much for the love! 💙 We're thrilled to hear the Mini Molecular Repair Hair Oil is helping your curls and leaving your hair softer. We're so happy it's making a difference! ✨

  • teresa f.
    Verified Buyer
    Reviewing
    mini molecular repair hair oil
    I recommend this product
    Age 45 - 54
    Hair Concern Color-care, Heat damage, Extending time between washes, Fragile/brittle hair, Chemical damage
    Hair Type Medium Density
    My Results Stronger Hair
    Rated 5 out of 5 stars
    1 month ago
    Way to go!!

    Nice consistency. Permeates the hair not just coats it

    K18Hair PRO
    1 month ago

    Thank you so much for the love! 💙 We're thrilled to hear you're loving how the Mini Molecular Repair Hair Oil permeates your hair! ✨

  • karla v.
    Verified Buyer
    Reviewing
    mini molecular repair hair oil
    I recommend this product
    Age 45 - 54
    Hair Concern Fragile/brittle hair
    Hair Type Medium Density
    My Results Smoother Hair, Less Breakage
    Rated 5 out of 5 stars
    1 month ago
    Hydrated

    I use this a few times a week and my hair is shiny smooth,and not weighed down like most serums

    K18Hair PRO
    1 month ago

    Thank you so much for the love! 💙 We're thrilled to hear the Mini Molecular Repair Hair Oil is leaving your hair shiny and smooth without that heavy feeling! ✨

  • Marysa W.
    Verified Buyer
    Reviewing
    mini molecular repair hair oil
    I recommend this product
    Age 25 - 34
    Hair Concern Chemical damage, Heat damage, Dryness
    Hair Type Medium Density
    My Results Visible Difference, Smoother Hair, Shinier Hair, Cleaner, fresher hair
    Rated 5 out of 5 stars
    2 months ago
    Awesome

    Makes my hair feel so soft and great for fly aways and slick back looks

    K18Hair PRO
    2 months ago

    Thank you so much for your review, Marysa! We're thrilled the Mini Molecular Repair Hair Oil is giving you that soft feel and working great for your styling needs. We appreciate you being part of the K18 community! 🤍