Leave-In Molecular Repair Hair Mask

K18 Hair

19 reviews

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3.5 / 5

Reviews

Reviews

5.0
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from
Navalmann05

2 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…

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About reviewer (4 reviews)

Age25-29

SkinSensitive, Medium Brown

HairBrown

EyesBrown

5.0
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from
MCCUDDEN2

2 months ago

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

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About reviewer (3 reviews)

Age56 & Over

SkinNormal, Olive, Not Sure

HairBlack, Curly, Coarse

EyesBrown

5.0
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from
tuf2beme

4 months 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
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from
mrssarahturner

5 months 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
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from
MsPsylocke

6 months 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 (1080 reviews)

Age44-55

SkinCombination, Fair, Cool

HairBrunette, Wavy, Medium

EyesGreen

1.0
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from
curlycathy

8 months 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
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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 (115 reviews)

Age36-43

SkinOther, Other

HairBlond

EyesGreen

2.0
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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
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from
EmilyTheTerrible

a year ago

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

About reviewer (23 reviews)

Age44-55

SkinCombination, Fair

HairBrunette

EyesBlue

1.0
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from
sweetpea19811

a year ago

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

About reviewer (1356 reviews)

Age36-43

SkinCombination, Fair

HairBlond

EyesBlue

4.0
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from
julia178

a year 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 (713 reviews)

Age44-55

SkinDry, Fair, Cool

HairBlond, Wavy, Fine

EyesGray

5.0
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from
CHARMEE2000

a year 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 (16 reviews)

Age56 & Over

SkinOther, Fair

HairBlond

EyesBlue

5.0
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from
SuzyCutie

a year 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 (702 reviews)

Age44-55

SkinCombination, Fair-Medium, Warm

HairRed, Curly, Fine

EyesGreen

4.0
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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
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from
SecondHandBanans

2 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
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from
wreckem

2 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 (38 reviews)

Age44-55

SkinDry, Fair-Medium, Neutral

HairBlond, Straight, Fine

EyesGreen

1.0
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from
HeleneCote

2 years ago

I was so expecting for this product to work on my damage hair as there are so many excellent reviews out there, but I was very disappointed to say the least. Not only it didn't work or repair my...

About reviewer (2 reviews)

Age56 & Over

SkinAcne-prone, Fair-Medium

HairOther

EyesOther

1.0
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from
MUAsAlbino

3 years ago

I was expecting to love this based off of the stellar reviews from my gal pals. However this does not even begin to compare to my much cheaper HG - Olaplex No 6 Bond Smoother leave in conditioner....

About reviewer (525 reviews)

Age30-35

SkinOther, Other, Neutral

HairBlond, Other, Fine

EyesOther

5.0
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from
rayoflight

3 years ago

I tried the K18 leave-in hair mask since it's a time-saver due to the leave-in concept: you just shampoo the hair and then put the K18 in towel-dried hair and that’s it, well, according to...

About reviewer (456 reviews)

Age30-35

SkinCombination, Fair, Warm

HairBrown, Straight, Medium

EyesBlue