Leave-In Molecular Repair Hair Mask, Patented, Lasting Repair For Dry, Frizzy, Damaged Hair, Reverse Damage In 4 Minutes From Bleach, Color, Chemical Services + Heat

For color or damaged hair this product work very well. Makes hair easy to comb through. Leave hair smooth and no frizz. Helps with damaged hair from coloring and drying. Convenient, start with bottom of hair ( ends ) up to the top and then no rinsing leave in the hair. . Great product . Brenda

Truly is an amazing product to use on your hair. My hair is soft and silky after use. Small bottle and expensive, but a little goes a long way. I have very long hair, and it worked beautifully on my hair

I originally bought this after hearing a trichology influencer I follow recommend it. My hair was only mildly damaged when I started using it, mostly breakage through the mids and ends from heat styling and years of hair processing. I actually use it after washing and before conditioning, even though that’s a little different from the directions, and it has visibly improved the breakage in my hair over time. The measured pump helps prevent wasting product, but I highly recommend researching the correct amount for your hair type because using too much is easy. I’ve used this pretty religiously for years now and my hair is noticeably stronger, fuller, softer, and much more manageable. It is expensive, but if you emulsify it well in your hands first it spreads more evenly and lasts longer. As my hair improved, I also found I didn’t need to use it as often.

I’m over 55 and have spent decades trying everything — from $9 to $144 per product — hoping for softer, healthier hair. I have 3a curls hidden under years of color, heat damage, and dryness. My hair would break and frizz so badly it looked like I had layers (I don’t). K18 is the first and only product that actually delivered on its promise to repair — not just coat — my hair. I was fully prepared to return this if it did not make a difference. It did. This isn’t a conditioner or mask. K18 uses a patented technology that works from the inside out. I used a clarifying shampoo, applied 6 pumps (very small pumps from the "try it" bottle!), finger-raked it through damp hair, waited 4 minutes, and then combed through. No rinsing, no other products. I let my hair air-dry, and it already felt softer and smoother with significantly less frizz. No fragrance -makes me happy. Important note: You do not need to rub this aggressively between your palms to "activate" it — that’s a common myth. Just rub your palms lightly so you can apply it evenly and let the science do the work. It works on the keratin molecules to repair your hair from the inside out. Friction is not going to make the molecules smaller. Don't know why people start these rumors. The next morning, I used my straightener on medium heat and was stunned. Instead of the usual dry straw, my hair was sleek, shiny, and bouncy. Even the ends curled beautifully — something I’ve never seen on my hair before. After four treatments, my hair now feels different, although the greatest results came after the very first use. My hair is softer, smoother, more manageable, with less frizz and more shine. Even in Florida’s 90°+ heat and humidity, it holds up — and I’m not using anything else but K18. A friend even asked to try it after seeing my results. It’s expensive, but absolutely worth it. I’ve already bought the larger bottle. I’m sticking with K18 — this changed everything for me. And to address the expense, the 50mL pump provides 50 pumps. That's 25 applications for me. My average thickness, long hair uses 2 full regular pumps. After the first 4 applications, you move to every 4 washes. That means after the first four treatments, I have 21 treatments more still in the pump bottle. For me, with super dry hair, that means it will last another 18-21 weeks since I only wash once a week, and an occasional "extra". I am going to guess I have taken at least $100 of products that did not work for me to the women's shelter over that time, meaning the waste was as much as this effective product that takes no time to use, packs easily in a suitcase, doesn't stink and IT WORKS! If you have super straight, silky hair, like Asian hair, or other non-porous hair, I do not think you are going to get the same results. You probably already have the kind of hair those of us with porous, damaged hair are looking for. Ask ChatGPT

I received this product and was very surprised by how small it is for the price I paid. I have only used it 2 times at this point, but it definitely feels like it is helping my hair. I put this leave-in conditioner on the ends of my hair, and you should wait a few minutes before putting any other products on. I feel like my hair has more bounce and does not look limp and flat anymore. I am excited to see how it works after using it a few more times. It is not greasy, and I didn't notice any significant smell.

I was skeptical. At this price point for half an ounce, it better do something extraordinary. It does. I have color treated, heat styled hair that had reached the point of no return or so I thought. Breakage, frizz, that straw-like texture that no amount of conditioner fixes because conditioner just coats the hair, it does not repair it. K18 actually repairs it. The difference is in the science. It uses a bioactive peptide that reconnects broken keratin chains inside the hair shaft itself, which is something a deep conditioner cannot do. Application is simple. Shampoo, no conditioner, towel dry, apply a pea sized amount to your hair, do not rinse. That’s it. The first time I used it I thought I had done something wrong because it didn’t feel like anything. Then my hair dried. The texture was different. Softer, more elastic, less frizzy. Not a coating. Actual structural change. By the third use my stylist asked what I had done differently. The 15ml size looks tiny but a little goes a long way. I use it once a week and this bottle has lasted me over a month. PROS Visibly repairs damaged and color treated hair, not just coats it. Results build over multiple uses. A tiny amount goes a long way so the bottle lasts. No rinse formula means it fits easily into any routine. Noticeable difference in texture and elasticity within the first few uses. CONS The price is high, especially for 15ml. Takes a few uses before you see the full effect so patience is required. If your hair is not damaged you may not notice much difference. Must skip conditioner which takes some getting used to. If your hair is damaged this is not a luxury, it’s a repair tool. Worth every penny.​​​​​​​​​​​​​​​​

I use this product a lot last year like I think I used three or four bottles. I do a lot of dying and bleaching of my own hair. I know the product is meant to be used while going through the bleaching process. I personally use it after I get out of the shower once twice a week and when I used to use it that way last year, it worked really great, phenomenal even. My ends used to be very straw like, really puffy and frizzy. But here’s my problem. I just recently purchased this product again, which by the way the packaging has quite changed. I know a lot of of the photos in the reviews. They’re almost the same bottles, but I could swear mine used to be a little bit bigger for the exact price that I purchased it for. Another thing is maybe I just use a little too much this time, but it used to be an instant instantaneous soft silky feeling once putting it in my ends this time it feels grainy and like I just stuck yogurt in my hair, I will come back in a couple of days or weeks to let you know if it got any better but so far not quite happy just yet

I have long, straight, medium-density hair that tangles easily after washing, so skipping conditioner initially felt very unnatural to me. My hair was significantly knotted before application, and brushing beforehand made me feel like I was losing more hair than usual during detangling. That said, once my hair dried, it genuinely felt softer, smoother, and healthier over time. To me, K18 functions less like a traditional conditioning step and more like a leave-in treatment applied after cleansing. The results were noticeable, but the application process took some adjustment for my hair type and routine.

Tenía dudas por algunos comentarios que había leído sobre que no era para tanto, pero realmente puedo decir que funciona desde el primer uso. Mi pelo está decolorado, además llevo peinado bob, por lo que suelo peinar con calor y está rompiéndose. Aposté por este producto por su fama y puedo decir que desde el primer lavado se siente el pelo con más peso y menos fragilidad. Evidentemente si buscáis que solucione la rotura, seamos realistas, ningún producto lo hará. Si quieres mejorar la calidad de tu pelo y recuperar parte del daño, pruébalo. Es caro sí, pero los buenos productos lo son. No se necesita aplicar demasiado producto como cualquier producto de calidad.

Leverans som utlovat. Produkten gör mitt silkesmjukt, mycket nöjd än så länge!

Très efficace

fortalece bastante. com certeza vou comprar de novo.

very good product