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K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml
K18 Hair Leave-In Molecular Repair Mask 5ml

K18 Hair Leave-In Molecular Repair Mask 5ml

$10.95

(22,098 reviews)

This patented bioactive peptide treatment strengthens and improves elasticity while repairing damage caused by chemical treatments, thermal styling and mechanical styling. Suitable for all hair types. This leave-in mask heals and strengthens hair with lightweight moisturizing properties to detangle and keep hair smooth and soft without weighing it down. For best results, use the first 4-6 consecutive washes after a treatment and then every 3-4 washes as needed to maintain hair strength. The K18 mask was not formulated to act like a normal conditioner. Although some find that it provides sufficient softening and smoothing properties, others may prefer enhanced conditioning benefits by adding a leave-in conditioner after the four-minute processing time. On the days you do not use the K18 mask, use your regular shower or leave-in conditioner as usual. When heat styling, use a heat protectant after four minutes of processing time. You can also add additional styling products on top of the mask if needed. K18Peptide is the miracle molecule hair care has been waiting for. Clinically proven to reverse damage in just 4 minutes.

This patented bioactive peptide treatment strengthens and improves elasticity while repairing damage caused by chemical treatments, thermal styling and mechanical styling. Suitable for all hair types. This leave-in mask heals and strengthens hair with lightweight moisturizing properties to detangle and keep hair smooth and soft without weighing it down. For best results, use the first 4-6 consecutive washes after a treatment and then every 3-4 washes as needed to maintain hair strength. The K18 mask was not formulated to act like a normal conditioner. Although some find that it provides sufficient softening and smoothing properties, others may prefer enhanced conditioning benefits by adding a leave-in conditioner after the four-minute processing time. On the days you do not use the K18 mask, use your regular shower or leave-in conditioner as usual. When heat styling, use a heat protectant after four minutes of processing time. You can also add additional styling products on top of the mask if needed. K18Peptide is the miracle molecule hair care has been waiting for. Clinically proven to reverse damage in just 4 minutes.

K18 Hair Leave-In Molecular Repair Mask 5ml

(22,098 reviews)

This patented bioactive peptide treatment strengthens and improves elasticity while repairing damage caused by chemical treatments, thermal styling and mechanical styling. Suitable for all hair types. This leave-in mask heals and strengthens hair with lightweight moisturizing properties to detangle and keep hair smooth and soft without weighing it down. For best results, use the first 4-6 consecutive washes after a treatment and then every 3-4 washes as needed to maintain hair strength. The K18 mask was not formulated to act like a normal conditioner. Although some find that it provides sufficient softening and smoothing properties, others may prefer enhanced conditioning benefits by adding a leave-in conditioner after the four-minute processing time. On the days you do not use the K18 mask, use your regular shower or leave-in conditioner as usual. When heat styling, use a heat protectant after four minutes of processing time. You can also add additional styling products on top of the mask if needed. K18Peptide is the miracle molecule hair care has been waiting for. Clinically proven to reverse damage in just 4 minutes.

This patented bioactive peptide treatment strengthens and improves elasticity while repairing damage caused by chemical treatments, thermal styling and mechanical styling. Suitable for all hair types. This leave-in mask heals and strengthens hair with lightweight moisturizing properties to detangle and keep hair smooth and soft without weighing it down. For best results, use the first 4-6 consecutive washes after a treatment and then every 3-4 washes as needed to maintain hair strength. The K18 mask was not formulated to act like a normal conditioner. Although some find that it provides sufficient softening and smoothing properties, others may prefer enhanced conditioning benefits by adding a leave-in conditioner after the four-minute processing time. On the days you do not use the K18 mask, use your regular shower or leave-in conditioner as usual. When heat styling, use a heat protectant after four minutes of processing time. You can also add additional styling products on top of the mask if needed. K18Peptide is the miracle molecule hair care has been waiting for. Clinically proven to reverse damage in just 4 minutes.

$10.95 - $34.32

in 53 offers

The lowest price for K18 Hair Leave-In Molecular Repair Mask 5ml right now is $10.95 at Hair & Beauty World, compared across 49 retailers.

The all-time low was $8.00 on 9 Apr 2024 — today's price is 37% above the lowest ever. It has been notably cheaper before — worth setting a price alert.

Prices last updated 6 Nov 2026.

Size:

5ml
15 ml
50 ml
50ml

Price comparison

Price data powered by pricesAPI.io

Last updated at 06/11/2026 19:40:50

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=hairandbeautyworld.com.au&sz=64Hair & Beauty World

$10.95

K18 Leave-In Molecular Repair MASK 5ml

Delivery $12.95

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64eBay.com.au

$12.57

K18 Leave-in Molecular Repair Hair Mask - 5ml

Delivery $7.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=shop.spamoment.com.au&sz=64Spa Moments AU

$13.22

k18 Leave-in Molecular Repair Mask 5ml

https://www.google.com/s2/favicons?domain=nevoshop.com.au&sz=64Nevo Shop

$14.41

K18 Leave-in Molecular Repair Hair Mask 5ml

Delivery between 10–17 Nov $6.95

https://www.google.com/s2/favicons?domain=valanciahairextensions.com&sz=64valanciahairextensions.com

$14.99

K18 leave-in molecular repair hair mask 5ml

Delivery between 12–20 Nov $12.99

https://www.google.com/s2/favicons?domain=myhaircare.com.au&sz=64My Haircare & Beauty

$15.00

K18 Leave-In Molecular Repair Mask Mini 5ml

Delivery between 11–17 Nov on orders of $20+

https://www.google.com/s2/favicons?domain=charliandkate.com.au&sz=64Charli & Kate

$15.00

K18 Repair Hair Mask 5ml

Delivery between 12–16 Nov $9.95

https://www.google.com/s2/favicons?domain=hairdressershardware.com.au&sz=64Hairdressers Hardware

$15.00

K18 Leave-In Molecular Repair Hair Mask 5ml

Delivery $12.95

https://www.google.com/s2/favicons?domain=bondihairextension.com.au&sz=64BondiHair

$15.00

K18 Leave-In Molecular Repair Mask 5ml

Delivery $18

https://www.google.com/s2/favicons?domain=salonsuppliestoyourdoor.com.au&sz=64Salon Supplies To Your Door

$15.00

K18 Leave-In Molecular Repair Hair Mask 5ml

Delivery $9.95

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

After 4 uses
1 July 2022Angelique L.

originally posted on k18hair.com

My biggest struggle with my naturally gray, wavy hair is frizz. I've tried ALL the products. Some control the frizz for part of a day or until I'm out in the humidity for more than five minutes. I've used K18 for four washes and can honestly say this product has been the best one I've found that keeps my hair relatively frizz free, even when I've been outside most of the day in the heat and humidity. Another great feature of K18 is that my hair is less tangly and easier to comb through in the shower AND I've noticed less hair falling out. I have high hopes that with continued use, I will see even more improvement. It seems pricey at first glance, but I have long hair and the 1.7oz trial size has given me four uses and there is still some left (probably not much). So ...Ā MoreMy biggest struggle with my naturally gray, wavy hair is frizz. I've tried ALL the products. Some control the frizz for part of a day or until I'm out in the humidity for more than five minutes. I've used K18 for four washes and can honestly say this product has been the best one I've found that keeps my hair relatively frizz free, even when I've been outside most of the day in the heat and humidity. Another great feature of K18 is that my hair is less tangly and easier to comb through in the shower AND I've noticed less hair falling out. I have high hopes that with continued use, I will see even more improvement. It seems pricey at first glance, but I have long hair and the 1.7oz trial size has given me four uses and there is still some left (probably not much). So the value is definitely there. The full size should give me 10x the number of uses...so at least 40 uses...which will last quite a while since you don't use it every time after the first 4-6 times. To summarize, it's not a miracle worker, but I'm impressed and will be purchasing the full size!

Amazing
21 August 2022Carol D.

originally posted on k18hair.com

I bought K18 and I am absolutelyIn love. I think I have probably purchased hundreds of products trying to ā€œfixā€ my thin fine damaged hair.K18 is something completely altogether different.It restructures your hair. It says in the instructions to use it for your next 6 washings. I’m not sure how it works but it does. Before with reg. Shampoo and conditioner my hair looked ok the first day then the next it was all dry and nasty looking. Not with this, it looks like it did when I was a kid. I get up, comb it and it’s smooth and soft. The small bottle is $29 and will last thru the 6 washings then you can decide if you want the bigger one for $72.My first washing I was really doubtful because you don’t use a conditioner, after you wash your hair you apply 2 pumps to ...Ā MoreI bought K18 and I am absolutelyIn love. I think I have probably purchased hundreds of products trying to ā€œfixā€ my thin fine damaged hair.K18 is something completely altogether different.It restructures your hair. It says in the instructions to use it for your next 6 washings. I’m not sure how it works but it does. Before with reg. Shampoo and conditioner my hair looked ok the first day then the next it was all dry and nasty looking. Not with this, it looks like it did when I was a kid. I get up, comb it and it’s smooth and soft. The small bottle is $29 and will last thru the 6 washings then you can decide if you want the bigger one for $72.My first washing I was really doubtful because you don’t use a conditioner, after you wash your hair you apply 2 pumps to your hair, wait 4 minutes and comb thru. My ends were knotted and it took a little time to untangle it. After I dried it… I was amazed. Soft, smooth and shiny. I’ll buy the big bottle asap.

Best product ever
27 August 2022Christine S.

originally posted on k18hair.com

This product is the real deal! I was dubious after trying many, many products claiming to help, fix or repair my very damaged hair. I won’t disrespect these products because on healthy hair they are probably great. My hair is thin, has been professionally colored for years but my need to straighten my hair daily is what did it in. I bit the bullet had a professional perm and found K18. I am on my 5th treatment and the results are noticeable and phenomenal. My hair is soft, the frizz is under control. My hair looks full and healthy. I do not put heat to it right now. I have it professionally trimmed and highlighted and will use K18 regularly.I can’t wait to see the difference in 6 mos, 1 yr,Thank you, thank you. K18 is expensive but worth every penny. I wish I had ...Ā MoreThis product is the real deal! I was dubious after trying many, many products claiming to help, fix or repair my very damaged hair. I won’t disrespect these products because on healthy hair they are probably great. My hair is thin, has been professionally colored for years but my need to straighten my hair daily is what did it in. I bit the bullet had a professional perm and found K18. I am on my 5th treatment and the results are noticeable and phenomenal. My hair is soft, the frizz is under control. My hair looks full and healthy. I do not put heat to it right now. I have it professionally trimmed and highlighted and will use K18 regularly.I can’t wait to see the difference in 6 mos, 1 yr,Thank you, thank you. K18 is expensive but worth every penny. I wish I had before and after pics :=(

Specification

Active IngredientK18Peptide
BenefitHair Repair, Reverse hair damage
Highlighted FeaturesMolecular Repair, Leave-In
Free OfParaben-free, Alcohol-free, Sulfate-free
Featured IngredientK18Peptide

Price comparison

Updated about 5 hours ago
Please note: price history and price alerts are not available for some stores, including Amazon.com.au.
https://www.google.com/s2/favicons?domain=hairandbeautyworld.com.au&sz=64
Hair & Beauty World

$10.95

K18 Leave-In Molecular Repair MASK 5ml

Delivery $12.95

https://www.google.com/s2/favicons?domain=ebay.com.au&sz=64
eBay.com.au

$12.57

K18 Leave-in Molecular Repair Hair Mask - 5ml

Delivery $7.95

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

https://www.google.com/s2/favicons?domain=shop.spamoment.com.au&sz=64
Spa Moments AU

$13.22

k18 Leave-in Molecular Repair Mask 5ml

https://www.google.com/s2/favicons?domain=nevoshop.com.au&sz=64
Nevo Shop

$14.41

K18 Leave-in Molecular Repair Hair Mask 5ml

Delivery between 10–17 Nov $6.95

https://www.google.com/s2/favicons?domain=valanciahairextensions.com&sz=64
valanciahairextensions.com

$14.99

K18 leave-in molecular repair hair mask 5ml

Delivery between 12–20 Nov $12.99

Price history

Price history

Please note: price history and price alerts are not available for some stores, including Amazon.com.au.

Reviews

After 4 uses
1 July 2022

My biggest struggle with my naturally gray, wavy hair is frizz. I've tried ALL the products. Some control the frizz for part of a day or until I'm out in the humidity for more than five minutes. I've used K18 for four washes and can honestly say this product has been the best one I've found that keeps my hair relatively frizz free, even when I've been outside most of the day in the heat and humidity. Another great feature of K18 is that my hair is less tangly and easier to comb through in the shower AND I've noticed less hair falling out. I have high hopes that with continued use, I will see even more improvement. It seems pricey at first glance, but I have long hair and the 1.7oz trial size has given me four uses and there is still some left (probably not much). So ...Ā MoreMy biggest struggle with my naturally gray, wavy hair is frizz. I've tried ALL the products. Some control the frizz for part of a day or until I'm out in the humidity for more than five minutes. I've used K18 for four washes and can honestly say this product has been the best one I've found that keeps my hair relatively frizz free, even when I've been outside most of the day in the heat and humidity. Another great feature of K18 is that my hair is less tangly and easier to comb through in the shower AND I've noticed less hair falling out. I have high hopes that with continued use, I will see even more improvement. It seems pricey at first glance, but I have long hair and the 1.7oz trial size has given me four uses and there is still some left (probably not much). So the value is definitely there. The full size should give me 10x the number of uses...so at least 40 uses...which will last quite a while since you don't use it every time after the first 4-6 times. To summarize, it's not a miracle worker, but I'm impressed and will be purchasing the full size!

Angelique L. originally posted on k18hair.com
Amazing
21 August 2022

I bought K18 and I am absolutelyIn love. I think I have probably purchased hundreds of products trying to ā€œfixā€ my thin fine damaged hair.K18 is something completely altogether different.It restructures your hair. It says in the instructions to use it for your next 6 washings. I’m not sure how it works but it does. Before with reg. Shampoo and conditioner my hair looked ok the first day then the next it was all dry and nasty looking. Not with this, it looks like it did when I was a kid. I get up, comb it and it’s smooth and soft. The small bottle is $29 and will last thru the 6 washings then you can decide if you want the bigger one for $72.My first washing I was really doubtful because you don’t use a conditioner, after you wash your hair you apply 2 pumps to ...Ā MoreI bought K18 and I am absolutelyIn love. I think I have probably purchased hundreds of products trying to ā€œfixā€ my thin fine damaged hair.K18 is something completely altogether different.It restructures your hair. It says in the instructions to use it for your next 6 washings. I’m not sure how it works but it does. Before with reg. Shampoo and conditioner my hair looked ok the first day then the next it was all dry and nasty looking. Not with this, it looks like it did when I was a kid. I get up, comb it and it’s smooth and soft. The small bottle is $29 and will last thru the 6 washings then you can decide if you want the bigger one for $72.My first washing I was really doubtful because you don’t use a conditioner, after you wash your hair you apply 2 pumps to your hair, wait 4 minutes and comb thru. My ends were knotted and it took a little time to untangle it. After I dried it… I was amazed. Soft, smooth and shiny. I’ll buy the big bottle asap.

Carol D. originally posted on k18hair.com
Best product ever
27 August 2022

This product is the real deal! I was dubious after trying many, many products claiming to help, fix or repair my very damaged hair. I won’t disrespect these products because on healthy hair they are probably great. My hair is thin, has been professionally colored for years but my need to straighten my hair daily is what did it in. I bit the bullet had a professional perm and found K18. I am on my 5th treatment and the results are noticeable and phenomenal. My hair is soft, the frizz is under control. My hair looks full and healthy. I do not put heat to it right now. I have it professionally trimmed and highlighted and will use K18 regularly.I can’t wait to see the difference in 6 mos, 1 yr,Thank you, thank you. K18 is expensive but worth every penny. I wish I had ...Ā MoreThis product is the real deal! I was dubious after trying many, many products claiming to help, fix or repair my very damaged hair. I won’t disrespect these products because on healthy hair they are probably great. My hair is thin, has been professionally colored for years but my need to straighten my hair daily is what did it in. I bit the bullet had a professional perm and found K18. I am on my 5th treatment and the results are noticeable and phenomenal. My hair is soft, the frizz is under control. My hair looks full and healthy. I do not put heat to it right now. I have it professionally trimmed and highlighted and will use K18 regularly.I can’t wait to see the difference in 6 mos, 1 yr,Thank you, thank you. K18 is expensive but worth every penny. I wish I had before and after pics :=(

Christine S. originally posted on k18hair.com
Brought back
19 June 2022

I waited to post a review because I wanted to use K18 for 4 washes, which took me about 2 weeks because I wash my hair every 3-4 days. I have always had relatively healthy, soft natural curly hair, but about a month ago I decided to get full highlights to blend the gray that has been showing up heavily on my dark hair. I have very fine strands, but tons of hair. I was reluctant to get highlights because I was concerned that the bleach would fry the fine hairs. Well, sure enough, the bleach wrecked my hair, removed some of the curl on the highlighted strands. I hated my decision to do full highlights. I started searching for something - anything, that would restore some health to my hair. I decided to order the smaller version of K18 because it was expensive and I ...Ā MoreI waited to post a review because I wanted to use K18 for 4 washes, which took me about 2 weeks because I wash my hair every 3-4 days. I have always had relatively healthy, soft natural curly hair, but about a month ago I decided to get full highlights to blend the gray that has been showing up heavily on my dark hair. I have very fine strands, but tons of hair. I was reluctant to get highlights because I was concerned that the bleach would fry the fine hairs. Well, sure enough, the bleach wrecked my hair, removed some of the curl on the highlighted strands. I hated my decision to do full highlights. I started searching for something - anything, that would restore some health to my hair. I decided to order the smaller version of K18 because it was expensive and I didn't want a huge container if it didn't do anything. After shampoo, my damaged hair had no slip and took forever to detangle. I was skeptical and a little worried about not using conditioner but that's what the K18 instructions said. First time use - it seemed a little better and softer, but maybe I was just hoping it looked better. By the third use, I was amazed. K18 brought back softness and my hair didn't look damaged. I got compliments on how my highlights were so pretty. I've used the product four times now and I can't believe how much my hair has improved. It's once again soft and healthy looking. This is definitely the product for my fine highlighted hair. I can actually appreciate my highlights now. By the way, I was not paid for writing this review and I'm not an influencer. I just hope that others out there that are looking for help with highlighted or bleached hair that this review helps. I'm so glad I decided to try K18!

Karla S. originally posted on k18hair.com
Finally something that works!
7 April 2022

I’m 58, and a full time hot yoga šŸ§˜šŸ¼ā€ā™€ļø teacher and studio owner. I have fine wavy hair that needs structure and conditioning. Awesome to be able to wash your hair once a week- but can’t do. Literally leave each class with my hair sopping wet with sweat šŸ˜…While I’ll rinse and condition and give my hair breaks from the blow dryer and heat styling options- I am not a wash and go girl. Wish šŸ™šŸ½If I want my hair to look awesome…I have to style it!So I’ve been pleasantly surprised with this product. It’s done the best job of any high end conditioner or mask without weighing it down.I just purchased my second bottle in the larger size- really wanted to purchase the Mist to use prior to my bi-monthly root touch ups, but seems you only sell that to salon owners? ...Ā MoreI’m 58, and a full time hot yoga šŸ§˜šŸ¼ā€ā™€ļø teacher and studio owner. I have fine wavy hair that needs structure and conditioning. Awesome to be able to wash your hair once a week- but can’t do. Literally leave each class with my hair sopping wet with sweat šŸ˜…While I’ll rinse and condition and give my hair breaks from the blow dryer and heat styling options- I am not a wash and go girl. Wish šŸ™šŸ½If I want my hair to look awesome…I have to style it!So I’ve been pleasantly surprised with this product. It’s done the best job of any high end conditioner or mask without weighing it down.I just purchased my second bottle in the larger size- really wanted to purchase the Mist to use prior to my bi-monthly root touch ups, but seems you only sell that to salon owners? Little confused by that. Hoping to be able to purchase that as well.Maybe someone can direct me to that option?! 😁🌱

Kristin L. O. originally posted on k18hair.com
For the people that only used it one time, so far so good!
6 April 2022

So, let me start off by saying it was this, or olaplex for the 30ish dollars I was going to spend on my hair- as I didn't want to invest a huge amount of money into another product with fancy claims and next to zero results. I was intrigued by how DEEP k18 is meant to go into my hair, I haven't seen any product even claim anything close to litteraly rebuilding your hair down "to the DNA" of a strand. USEAGE: I have only used it one time, so I will give my first experience with the product. I was starting with thick, bleached wavy/curly/coily hair - as my hair is wavy up top, turning into curls, then coils near the bottom. I followed the instructions about only shampooing 1st, though my hair had already been stripped and I do not own a clarifying shampoo but still ...Ā MoreSo, let me start off by saying it was this, or olaplex for the 30ish dollars I was going to spend on my hair- as I didn't want to invest a huge amount of money into another product with fancy claims and next to zero results. I was intrigued by how DEEP k18 is meant to go into my hair, I haven't seen any product even claim anything close to litteraly rebuilding your hair down "to the DNA" of a strand. USEAGE: I have only used it one time, so I will give my first experience with the product. I was starting with thick, bleached wavy/curly/coily hair - as my hair is wavy up top, turning into curls, then coils near the bottom. I followed the instructions about only shampooing 1st, though my hair had already been stripped and I do not own a clarifying shampoo but still worked out, it felt like straw but I was able to put it in. After 4 minutes I really did see a 50% improvement! I did end up putting some leave in conditioner after the 4 minutes were complete to help. I understand this is a progressive treatment so I didn't have too much of my hopes up, as past the first usage I had been to a Waterpark and soaking in chlorinated water for 2 days. However, that being said my hair surprisingly did not break (just got pretty dry understandably) despite how much damage that had come onto it a week after the treatment. I will be using this after my upcoming hair appointment to really test the long term affects. Another note is that using styling tools may help show off the effects easier - I have not been using heat tools or even any brushing when my hair is drying due to the curly girl method. So far it's looking good - my only concern is will this bring an abundance of softness to my demanding curls, or just bring me back to my normal struggles? We shall see, but I have high hopes based on my 1st results. ITS WORTH A TRY CURLY GIRLS!

Santa B. M. originally posted on k18hair.com
I have thick, coarse hair - did not feel conditioned without soooo many pumps
14 February 2022

If I did not use conditioner, I could not detangle my hair enough to thoroughly saturate all the strands. I waited for 10 minutes to try to detangle and had to add leave in to detangle. This is not really made for us with really thick coarse curly hair. I am Caucasian, but have very thick, curly hair that is quite slow to soak in product. I have been doing the curly girl method for many months and have seen improvement since I shampoo less, but this product did not condition enough for me to run a comb through my hair without about 10 pumps. My hair felt soft after drying, but I would say to the ladies with thick coarse hair that you will have to use a lot of product, especially if you arent using a leave in after applying this. Maybe there should be a separate line ...Ā MoreIf I did not use conditioner, I could not detangle my hair enough to thoroughly saturate all the strands. I waited for 10 minutes to try to detangle and had to add leave in to detangle. This is not really made for us with really thick coarse curly hair. I am Caucasian, but have very thick, curly hair that is quite slow to soak in product. I have been doing the curly girl method for many months and have seen improvement since I shampoo less, but this product did not condition enough for me to run a comb through my hair without about 10 pumps. My hair felt soft after drying, but I would say to the ladies with thick coarse hair that you will have to use a lot of product, especially if you arent using a leave in after applying this. Maybe there should be a separate line for us with thick tangly hair. My best results with this product is using a cowash first and then using this. So no shampoo. Shampoo, unless it is has bad silicones in it, does not soften my hair enough to detangle it. I avoid silicones and sulfates, so detangling without a very rich conditioner is impossible and painful. Please consider this in all instructions, sales, etc. So many of us don't have "average" hair that can take 3 pumps and go. I still needed 5 pumps with cowashing to condition enough to feel like it made a difference. I would recommend this product to people with straight/wavy average texture hair only.

Laura B. originally posted on k18hair.com
K18 Works Wonders, Saved My Hair
29 June 2022

This product has literally saved my hair! I got WAY more highlights than I asked for from a very high-end $$$ salon. I tell myself that I didn't communicate what I wanted very well and I'm sure that's part of it but in reality, the stylist fried my hair with bleach, said I'm sorry you didn't get the color you wanted and proceeded to charge me $240! When she took the towel off my head I nearly cried. I was back in the salon the very next day and spent 5 hours getting low lights. Needless to say, after all this trauma, my hair was crispy as straw. Every time I tried to comb it (with a wide-tooth comb) it would snag and oh, the breakage! I had previously seen K18 videos on Instagram and I don't put much faith in Insta marketing, but I was SO desperate that I had to ...Ā MoreThis product has literally saved my hair! I got WAY more highlights than I asked for from a very high-end $$$ salon. I tell myself that I didn't communicate what I wanted very well and I'm sure that's part of it but in reality, the stylist fried my hair with bleach, said I'm sorry you didn't get the color you wanted and proceeded to charge me $240! When she took the towel off my head I nearly cried. I was back in the salon the very next day and spent 5 hours getting low lights. Needless to say, after all this trauma, my hair was crispy as straw. Every time I tried to comb it (with a wide-tooth comb) it would snag and oh, the breakage! I had previously seen K18 videos on Instagram and I don't put much faith in Insta marketing, but I was SO desperate that I had to give it a try. I found a salon that gave me the professional K18 treatment, and I also began to use K18 at home. From the first use I could get a big tooth and even a fine-tooth comb through my hair! I've been using it for over a month now- at first after every shampoo, but now I only need to use it like once a week. I've had two haircuts (2 inches off the first time and 1 off inch the second time) since the bleach job debacle. This was necessary to trim off split ends. K18 has worked wonders on my hair but not even the Lord himself could keep my hair from splitting and breaking after all that bleach! I believe without a doubt that I would have had to get all my long hair cut off and it would have been in terrible shape if not for using K18. So, set your expectations for big improvement and not perfection and you should really love this product. And, hey, maybe your hair is not as damaged as mine was so your results may be better than mine. I'm glad I found it when I did. I will continue to use it. Hope this helps.

Trish originally posted on walmart.com
Smooth hair after one use
9 June 2022

I truly did see incredibly smooth hair after the first use! I think this is the best trial size; I shampoo every day, and I used this bottle for over a month. I have mostly virgin hair, and I don’t use any products other than shampoo and conditioner. I do use heat and blow dry most days. I have very fine hair but a lot of it. A few months ago, I noticed split ends and frizz for the first time in my three and a half decades of life. I used k18 after shampooing (no conditioner), and my hair was silky smooth and completely straight! However, the results weren’t as strong or noticeable on the 4th, 5th, and 6th use. Also, I’ve read that the product should be applied after ā€œthoroughlyā€ towel drying your hair or while it’s 65% damp, and I’m not sure that I measured or ...Ā MoreI truly did see incredibly smooth hair after the first use! I think this is the best trial size; I shampoo every day, and I used this bottle for over a month. I have mostly virgin hair, and I don’t use any products other than shampoo and conditioner. I do use heat and blow dry most days. I have very fine hair but a lot of it. A few months ago, I noticed split ends and frizz for the first time in my three and a half decades of life. I used k18 after shampooing (no conditioner), and my hair was silky smooth and completely straight! However, the results weren’t as strong or noticeable on the 4th, 5th, and 6th use. Also, I’ve read that the product should be applied after ā€œthoroughlyā€ towel drying your hair or while it’s 65% damp, and I’m not sure that I measured or gauges that correctly. I think my hair may have been too wet a few times and maybe that’s why the results were inconsistent? The only other downside is the steep price, but I realize that I don’t need to use it every single day, so I will save more product next time. Overall, it’s a great product, and I will try it again.

Melanie R. originally posted on k18hair.com
Sorry, but my hair feels like straw
12 May 2022

I am not a fan. I have nice, thick straight hair. I get a balayage color every 3-4 months, but otherwise don’t color my hair. It’s in healthy condition. When I leave the salon, I expect my hair to feel softer and more luxurious than when I style it at home and feel like it should have amazing movement and feel like high end products were used. After moving, I have been to someone new who uses K18 as a mask after balayaging my hair… no conditioner, no deep conditioning treatment - just this. Maybe she is isn’t using enough or leaving it in long enough, but it’s like straw. I feel like I should rewatch it as soon as I get home and do my own deep conditioning mask. And frankly, I feel like I could use a Pantene or salon selectives hair mask and have better results in ...Ā MoreI am not a fan. I have nice, thick straight hair. I get a balayage color every 3-4 months, but otherwise don’t color my hair. It’s in healthy condition. When I leave the salon, I expect my hair to feel softer and more luxurious than when I style it at home and feel like it should have amazing movement and feel like high end products were used. After moving, I have been to someone new who uses K18 as a mask after balayaging my hair… no conditioner, no deep conditioning treatment - just this. Maybe she is isn’t using enough or leaving it in long enough, but it’s like straw. I feel like I should rewatch it as soon as I get home and do my own deep conditioning mask. And frankly, I feel like I could use a Pantene or salon selectives hair mask and have better results in terms of softness and bounce. My hair looks fine, but it feels coarse, dry, and brittle from this stuff and not healthy, shiny, and conditioned at all.

Emily originally posted on k18hair.com

Specification

Active IngredientK18Peptide
BenefitHair Repair, Reverse hair damage
Highlighted FeaturesMolecular Repair, Leave-In
Free OfParaben-free, Alcohol-free, Sulfate-free
Featured IngredientK18Peptide

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