Leave-In Molecular Repair Hair Mask

K18 Hair

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3.4

23 reviews
57%
would repurchase
4.1/5
package quality
price range

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.

ingredients

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.

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    Reviews

    Reviews

    3.0
    Created with Sketch.
    from
    letter4dana

    4 months ago

    First time I used it I didn't like it. Then I started researching how you should use it properly and I applied those techniques and immediately saw results. Unfortunately I didn't see these great...

    About reviewer (165 reviews)

    Age30-35

    SkinNormal, Fair-Medium, Warm

    HairRed, Wavy, Fine

    EyesGreen

    2.0
    Created with Sketch.
    from
    birdy19

    6 months ago

    I bought this for my fine hair that damages very easily, I was hoping this product would be the answer to my prayers when I read the reviews but I was wrong, I found for the price the results were...

    About reviewer (6 reviews)

    Age56 & Over

    SkinNormal, Fair

    HairBrunette

    EyesBrown

    2.0
    Created with Sketch.
    from
    Jennythewren

    6 months ago

    OKAY, I READ THE REVIEWS AND BOUGHT IT. I've used it 4 times, my dry frizzy hair which has been damaged by colour removers felt stronger but really really dry and frizzy. I then splashed out on...

    About reviewer (2 reviews)

    Age56 & Over

    SkinDry, Fair-Medium

    HairBrunette

    EyesBrown

    5.0
    Created with Sketch.
    from
    curemyson

    7 months ago

    I don’t usually write reviews but this stuff is amazing. I have thick coarse bleached hair. This has made my hair look like hair again. I read some reviews here and if it’s not working for you use...

    About reviewer (16 reviews)

    Age44-55

    SkinAcne-prone, Medium

    HairBrown

    EyesBrown

    5.0
    Created with Sketch.
    from
    Navalmann05

    9 months ago

    I really works. Only product works on my hairs. Makes them glossy. Really amazing wants to order more can’t live without that product and best size for 3 month….. recommend for all…

    Photo 1

    About reviewer (4 reviews)

    Age25-29

    SkinSensitive, Medium Brown

    HairBrown

    EyesBrown

    5.0
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    from
    MCCUDDEN2

    9 months ago

    I’m 67 and this product keeps my hair glossy and beautiful. It’s the GOAT for me!

    Photo 1

    About reviewer (3 reviews)

    Age56 & Over

    SkinNormal, Olive, Not Sure

    HairBlack, Curly, Coarse

    EyesBrown

    5.0
    Created with Sketch.
    from
    tuf2beme

    a year ago

    Very expensive but sure has helped my 2 process bleached highlighted hair. I blow dry it and straight iron it. This product makes it feel undamaged again. It's shiny and stronger. I have purchased...

    About reviewer (17 reviews)

    Age56 & Over

    SkinDry, Medium, Neutral

    HairBlond, Wavy, Fine

    EyesHazel

    5.0
    Created with Sketch.
    from
    mrssarahturner

    a year ago

    I am confident that this is improving the quality of my hair. I had used bleach a couple of times and as a result, had some breakage and some areas where the texture was like wool. The wool went...

    About reviewer (18 reviews)

    Age44-55

    SkinNormal, Medium, Cool

    HairBrunette, Wavy, Coarse

    EyesHazel

    5.0
    Created with Sketch.
    from
    MsPsylocke

    a year ago

    This product had been way better for my hair than Olaplex#3. Plus the treatments ect, it wasn't till I found this. Did I truly understand what an amazing product this is. About my hair I've...

    About reviewer (1106 reviews)

    Age44-55

    SkinCombination, Fair, Cool

    HairBlond, Wavy, Medium

    EyesGreen

    1.0
    Created with Sketch.
    from
    curlycathy

    a year ago

    Waste of money. Have gone through a full 150ml bottle and almost a whole 50ml bottle since the start of the year and it has made little to no difference. Used it for 6 consecutive washes plus every...

    About reviewer (1 reviews)

    Age44-55

    SkinCombination, Fair

    HairBrown

    EyesBrown

    4.0
    Created with Sketch.
    from
    AliciaB11

    a year ago

    My stylist used this on me and I just bought the sample size. So far it’s been great! My hair is fine and I have to be careful about what products I use but this isn’t too heavy.

    About reviewer (116 reviews)

    Age36-43

    SkinOther, Other

    HairBlond

    EyesGreen

    2.0
    Created with Sketch.
    from
    svedija

    a year ago

    I have found my holy grail product and it is all i use along with shampoo and olaplex nr 3 once a week, argan oil for hair ends.. I was also told it is possible to use silicones free conditioner if...

    About reviewer (253 reviews)

    Age44-55

    SkinSensitive, Fair, Warm

    HairBlond, Wavy, Fine

    EyesHazel

    1.0
    Created with Sketch.
    from
    EmilyTheTerrible

    2 years ago

    I DO NOT understand the hype. Bummer, because I wish it did something for my level 9 bleached hair.

    About reviewer (24 reviews)

    Age44-55

    SkinCombination, Fair

    HairBrunette

    EyesBlue

    1.0
    Created with Sketch.
    from
    sweetpea19811

    2 years ago

    My ends are naturally dry and this didn't make any difference...waste of money

    About reviewer (1449 reviews)

    Age36-43

    SkinCombination, Fair

    HairBlond

    EyesBlue

    4.0
    Created with Sketch.
    from
    julia178

    2 years ago

    The manufacturer of the K18 Leave-in Molecular Mask claims: "Reverse Hair Damage in 4 minutes for Hair that Looks New!" Sounds fantastic to me. For reference, my hair is blonde, normal to dry,...

    About reviewer (737 reviews)

    Age44-55

    SkinDry, Fair, Cool

    HairBlond, Wavy, Fine

    EyesGray

    5.0
    Created with Sketch.
    from
    CHARMEE2000

    2 years ago

    I have found my holy grail. I am getting rid of all my other hair products. This is the most impressive hair conditioner I have ever used in my 69 years on the planet. I have used it twice and my...

    About reviewer (19 reviews)

    Age56 & Over

    SkinOther, Fair

    HairBlond

    EyesBlue

    5.0
    Created with Sketch.
    from
    SuzyCutie

    2 years ago

    We just got this in at work so I had to try it for research. I was a fan of the Olaplex #8 until I tried this; this product has changed my hair for the better. My curls have reappeared, markedly...

    About reviewer (709 reviews)

    Age44-55

    SkinCombination, Fair-Medium, Warm

    HairRed, Curly, Fine

    EyesGreen

    4.0
    Created with Sketch.
    from
    jessamay

    2 years ago

    I have fine, thin, highlighted hair that suffers a fair amount of damage from bleach. There is nothing, other than stopping the bleaching, that will "heal" my hair but I have tried various...

    About reviewer (193 reviews)

    Age44-55

    SkinCombination, Fair, Neutral

    HairBlond, Straight, Fine

    EyesBlue

    3.0
    Created with Sketch.
    from
    SecondHandBanans

    3 years ago

    Overrated and overpriced. This had some amazing reviews but didn't live up to the hype. It added a little hydration and some smoothing like many other eave in treatment s and styling products. I...

    About reviewer (1 reviews)

    Age19-24

    SkinOther, Other

    HairOther

    EyesOther

    5.0
    Created with Sketch.
    from
    wreckem

    3 years ago

    So glad I tried this! It does for me what the whole Olaplex line together does not do. I have had this for about a month and have used it 3 times. My aging, fine, color treated hair is so hard to...

    About reviewer (39 reviews)

    Age44-55

    SkinDry, Fair-Medium, Neutral

    HairBlond, Straight, Fine

    EyesGreen

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