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$75.00$75.00 $44.12 per Fl Oz ($44.12$44.12 / Fl Oz)
Ships from: Amazon Sold by: K18 Hair
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$71.25$71.25 $41.91 per Fl Oz ($41.91$41.91 / Fl Oz)
$67.50$67.50 ($39.71$39.71 / Fl Oz)
First delivery on Aug 28 FREE delivery Monday, August 26
Ships from: Amazon Sold by: K18 Hair
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K18 Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat
We work closely with your favorite premium beauty brands and their approved resellers to ensure the premium products sold in our stores are authentic.
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Return this item for free
We offer easy, convenient returns with at least one free return option: no shipping charges. All returns must comply with our returns policy.
Learn more about free returns.- Go to your orders and start the return
- Select your preferred free shipping option
- Drop off and leave!
Purchase options and add-ons
Brand | K18 |
Item Form | Cream |
Material Feature | Natural |
Hair Type | Damaged |
Product Benefits | Our K18PEPTIDE™ repairs hair at a molecular level across multiple types of bonds, restoring hair health for all See more |
Additional Details
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Description
Benefits
Suggested Use
![](https://m.media-amazon.com/images/I/51qGwMO2ZmL._SS250_.jpg)
- K18 Leave-In Repair Hair Mask, 4-Minute Speed Treatment, Renews Hair Damage From Color, Chemical Services Heat (1 of each 50ml & 15ml).$104.00$104.00This bundle contains 2 items
- K18 Repair Bundle - Leave-In Repair Hair Mask, 4-Minute Speed Treatment(50ml), and Weightless Hair Strengthening Oil (30ml)$140.00$140.00This bundle contains 2 items
Buy it with
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Videos for similar products
From the brand
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science backed haircare
Our professional stylist-approved biotech breakthroughs deliver your healthiest hair.
Engineered for all hair types.
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reverse hair damage
K18 molecular repair is cilincally proven to reverse damage from bleach, color, and chemical services in 4 minutes.
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Who are we?
We're a biotech-powered brand breaking the rules on haircare. Beloved by the PRO community and at-home users in 100+ countries, 20+ billion Tik Tok views, and 25+ prestigious awards, our growing line up of intentional, science backed haircare is all about unlocking next-level expression for all.
What makes our products unique?
Our K18PEPTIDE-powered innovations were born in the biotech lab to radically simplify your routine and deliver your cleanest, healthiest hair.
Product Description
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**Clinical studies supporting our claims were done at the University of Minho in Portugal Jan 2021
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*World Patent No WO2015056216A2
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15ml Hair Repair Mask for Damaged Hair | 50ml Hair Repair Mask for Damaged Hair | Molecular Hair Repair Oil | PEPTIDE PREP pH Maintenance Shampoo | PEPTIDE PREP Detox Shampoo | |
Customer Reviews |
4.3 out of 5 stars
19,432
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4.3 out of 5 stars
19,432
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4.4 out of 5 stars
907
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4.5 out of 5 stars
929
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4.6 out of 5 stars
1,016
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Price | $29.00$29.00 | $75.00$75.00 | $65.00$65.00 | — | $38.00$38.00 |
Size | 15ml | 50ml | 30ml | 8.5oz | 8.5oz |
Hair Mask | ✓ | ✓ | |||
Hair Oil | ✓ | ||||
Shampoo | ✓ | ✓ | |||
Molecular Repair | ✓ | ✓ | ✓ | ||
Heavy Duty Cleanse | ✓ | ||||
Everyday Cleanse | ✓ | ||||
Used by Professionals | ✓ | ✓ | ✓ | ✓ | ✓ |
At Home Use | ✓ | ✓ | ✓ | ✓ | ✓ |
Product details
- Product Dimensions : 3.54 x 1.57 x 3.54 inches; 3.2 ounces
- Item model number : K18-31005
- UPC : 858511001128 858511001029 729162271362 729162270877 755801147958 726929222179 729162271317 729162271249 729162271096
- Manufacturer : K18
- ASIN : B0961ZS96M
- Best Sellers Rank: #227 in Beauty & Personal Care (See Top 100 in Beauty & Personal Care)
- #3 in Hair Treatment Masks
- Customer Reviews:
Videos
Videos for this product
1:22
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The good and bad about this Hair Mask
Callie Ammons 🔵
Videos for this product
1:15
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Our Point of View on K 18 Leave-In Repair Hair Mask
WTI | We Tried It!
Videos for this product
2:36
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How to use k18 on thick, coarse, dry hair
Why Reviews
Videos for this product
2:27
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Honest Review of K18 Molecular Repair Leave-In Mask
✅ Christine
Videos for this product
2:02
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K18 Leave-In Molecular Hair Mask Review
Jem Williams
Looking for specific info?
Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the softness and shine of the conditioner. They say it makes their hair feel unbelievably soft and smooth. They also appreciate the quality. However, some customers feel the product is small and not worth the money. Opinions are mixed on dryness, effect on hair, and frizz.
AI-generated from the text of customer reviews
Customers like the quality of the conditioner. They say it works wonders, it helps a ton, and it efficiently does the job of conditioner. Some customers also mention that it strengthens their hair and makes an immediate difference from the first application.
"...The results are noticeable after just one use: my hair feels significantly softer, more manageable, and visibly shinier...." Read more
"...It makes my hair feel so soft and it strengthens my hair. If your hair is damaged from bleaching, I would highly suggest using this!..." Read more
"...Today after using k18 for a few months, my hair is strong, defined, shiny, and beautiful! I'll let the photos speak for themselves." Read more
"The first time I use this my hair felt so gross and dry and brittle that I was going to return it...." Read more
Customers are satisfied with the softness of the conditioner. They mention that it makes their hair feel soft, smooth, and silky to the touch. Some say that their hair looks healthy and shiny after first application. Overall, most are happy with the product's ability to improve the texture and overall health of their hair.
"...The results are noticeable after just one use: my hair feels significantly softer, more manageable, and visibly shinier...." Read more
"...It makes my hair feel so soft and it strengthens my hair. If your hair is damaged from bleaching, I would highly suggest using this!..." Read more
"...Then style as usual.Makes my hair incredibly soft and manageable but without weighing it down or feeling greasy!" Read more
"...The only negative I would say is that while all the front bits are nice and soft, I do see that my hair is “producty” at the root...." Read more
Customers are mixed about the effect of the conditioner. Some mention it works wonders to reverse hair damage and restore your locks. They say it instantly repairs damaged hair within 4 minutes of use. However, others say that it's expensive and didn't see a difference in their hair. They also say that the product didn't do anything for their hair and that they can'' not traditionally condition the hair with it.
"...that penetrates deep into the hair’s cortex, effectively restoring strength and elasticity from within...." Read more
"...It's remarkable how effectively it has reversed the damage, making my hair look and feel revitalized...." Read more
"...What is it supposed to do? It's expensive and I have not seen a difference in my hair. I think it's overrated." Read more
"...I can afford on a regular basis but, that being said, it worked on my over processed hair after using as described...." Read more
Customers like the style of the conditioner. They say it makes their hair look shiny, and healthy. Some customers also mention that it makes hair feel thinner. Overall, most are satisfied with the style and quality of the product.
"...It makes my hair shiny and soft. My biggest complaint is that you get such a small amount for the price. It is very expensive." Read more
"...Great shine & manageability with no frizz. I didn’t put any other product in it...." Read more
"...before doing anything to your hair, it smells great, it provides shine to my hair, my hair is happier and softerI do recommend this product" Read more
"This mask has made my hair more smooth, shiny, and manageable. My hair reacts better to this than conditioner, so I use it regularly...." Read more
Customers are mixed about the dryness of the conditioner. Some mention that it helps combat dryness, keeps moisture in, and is perfect for anyone battling dry, unruly hair. However, others say that it made their hair really dry, limpy, lifeless, and too dry after watching.
"The first time I use this my hair felt so gross and dry and brittle that I was going to return it...." Read more
"...into it so it came out of the bleach still pretty healthy but it felt super dry, and I still had to bleach it again...." Read more
"...without tearing through entire tangled chunks, it also speeded up drying time like crazy and didn’t weight down my super fluffy wavy fine hair one..." Read more
"...Instead it was chunky and partially dried out...." Read more
Customers are mixed about the frizz. Some mention that the product eliminates frizz, while others say that it still remains.
"...I let my hair dry naturally and the end result is shine and less frizz." Read more
"...I dyed my hair once and the curls weren't the same. Frizzy, undefined, no structure, dull, and just so fugly...." Read more
"...However my hair is so less frizzy and dry this way" Read more
"...But after one wash not using k18 the frizz came back a good bit, 2nd wash it was back the the previous fluff from before I ever used it...." Read more
Customers are dissatisfied with the value of the conditioner. They mention that it's beyond expensive, not practical for everyday use, and doesn't work as advertised. Some say that the directions didn't help and made their fine, bleach damaged hair even more dry.
"...My biggest complaint is that you get such a small amount for the price. It is very expensive." Read more
"...Only reason I gave it four stars was because how freaking expensive it is for such a small amount...." Read more
"The cost of this product is expensive, and it is more than I usually spend on hair care products...." Read more
"this is the biggest waste of money I've ever seen, ...." Read more
Customers are disappointed with the size of the conditioner. They mention that it's amazingly small, extremely tiny, and only half full.
"...It is a very small bottle." Read more
"...I think the bottle is too small and it is not a magic solution as advertised" Read more
"...I have tried better products. The bottle was tiny, and it was no good value for money." Read more
"...I can't recommend this enough!! The bottle is very small for the price but it's worth it!!" Read more
Reviews with images
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Top reviews
Top reviews from the United States
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As a long-time user of various hair care products, I was excited to try the K18 Leave-In Molecular Repair Hair Mask, and it certainly lives up to the hype.
This leave-in treatment stands out for its innovative approach to repairing damaged hair. The K18 mask uses a patented peptide technology that penetrates deep into the hair’s cortex, effectively restoring strength and elasticity from within. The results are noticeable after just one use: my hair feels significantly softer, more manageable, and visibly shinier.
The mask is easy to apply—just a small amount is needed for even coverage. It doesn’t leave any residue or weigh down the hair, which is a huge plus. I also appreciate that it doesn’t require heat or rinsing, making it a convenient addition to my routine.
Overall, the K18 Leave-In Molecular Repair Hair Mask is a game-changer for anyone looking to restore their hair’s health and vitality. It’s a bit of an investment, but the results are worth every penny. My hair has never felt better!
![Customer image](https://images-na.ssl-images-amazon.com/images/G/01/x-locale/common/transparent-pixel._V192234675_.gif)
Reviewed in the United States on August 15, 2024
![Customer image](https://m.media-amazon.com/images/I/71PHztar45L._SY88.jpg)
![Customer image](https://m.media-amazon.com/images/I/71gmlLraFvL._SY88.jpg)
Let it sit on your head for at least 4 minutes before styling or adding other products. Then style as usual.
Makes my hair incredibly soft and manageable but without weighing it down or feeling greasy!
Top reviews from other countries
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