---
product_id: 383765053
title: "K18 Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat"
brand: "k18"
price: "22938 Ft"
currency: HUF
in_stock: true
reviews_count: 8
category: "K18"
url: https://www.desertcart.hu/products/383765053-k18-leave-in-molecular-hair-mask-repairs-dry-or-damaged
store_origin: HU
region: Hungary
---

# 4-minute fast-acting treatment Patented K18Peptide molecular repair Long-lasting, no rinse formula K18 Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat

**Brand:** k18
**Price:** 22938 Ft
**Availability:** ✅ In Stock

## Summary

> 🧴 Unlock your hair’s molecular glow-up in 4 minutes—because your strands deserve biotech brilliance.

## Quick Answers

- **What is this?** K18 Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat by k18
- **How much does it cost?** 22938 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/383765053-k18-leave-in-molecular-hair-mask-repairs-dry-or-damaged)

## Best For

- k18 enthusiasts

## Why This Product

- Trusted k18 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sustainable Luxury:** One bottle delivers up to 25 applications, reducing waste and maximizing value for your investment.
- • **Frizz-Free Confidence:** Delivers lasting smoothness, bounce, and shine that withstands humidity and heat, so you always look polished.
- • **Universal Hair Savior:** Works on all hair types and damage levels—from bleach to heat—making it the ultimate inclusive haircare upgrade.
- • **Time-Savvy Beauty Ritual:** Just 4 minutes to transform dry, damaged hair—no rinsing, no fuss, perfect for busy professionals.
- • **Molecular Hair Resurrection:** Patented K18Peptide rebuilds broken polypeptide chains from inside out for visibly renewed strength and elasticity.

## Overview

K18 Leave-In Molecular Hair Mask is a revolutionary biotech treatment featuring a patented peptide that repairs hair damage at the molecular level. Designed for all hair types, it restores strength, softness, and elasticity in just 4 minutes without rinsing. Clinically proven to reverse damage from bleach, color, heat, and chemical services, this long-lasting formula delivers salon-quality results at home, making it a must-have for professionals seeking effortless, resilient hair.

## Description

desertcart.com: K18 Mini Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat : Beauty & Personal Care

Review: OMG! OMG ! OMG! K-18 FULFILLS ITS CLAIMS Read on! - 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
Review: Fixed My Bleached Hair in One Use – Actual Hair Resurrection - LITERALLY SAVED MY HAIR IN ONE USE – MIRACLE IN A BOTTLE I don’t usually leave reviews, but I would actually fight someone over this product if it ever got discontinued. Like. That’s how serious I am. I bleached the living life out of my hair recently—think straw, think crunchy ramen noodle ends, think “oops I fried it but I still want it to look good.” I used K18 once, and I swear to god my hair looked like I had never damaged it at all. ONE USE. Not three. Not six. One. This isn’t your average deep conditioner or protein mask. This is full-on biotech magic. The science behind it is real—this isn’t marketing fluff. It uses a patented peptide (K18Peptide™) that literally reconnects broken polypeptide chains in your hair. Like, it doesn’t just make your hair feel soft temporarily. It rebuilds it. We’re talking actual molecular repair. You feel the difference IMMEDIATELY. And even better? The results just get better the more you use it. No rinsing, no long routines. You just shampoo, skip conditioner, towel-dry, use 1–3 pumps depending on your hair length, and then wait 4 minutes. THAT’S IT. It absorbs fast, isn’t heavy, doesn’t make your roots oily, and doesn’t coat your hair in a waxy film like other products. My hair went from stringy and dead to soft, bouncy, shiny, and fully alive again. Also? A little goes a long way. It’s expensive, yeah, but it lasts forever and genuinely does what it says. I’d rather spend money once on something that works than keep buying cheap products that do nothing but mask the damage. TL;DR – If your hair is damaged from bleach, color, heat, or just life, BUY THIS. It’s not hype. It’s not overrated. It’s the best hair product on the planet and deserves to be in every single “best of” list forever. I’ve tried Olaplex, I’ve tried everything—nothing touches this. K18 is THAT GIRL.

## Features

- An At-home Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat.
- Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
- Renews All Hair Types: K18 doesn’t just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
- Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural—so it’s able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time.
- Back By Biotech: K18 is the world’s first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09HR5KSR8 |
| Age Range (Description) | Adult |
| Age Range Description | Adult |
| Best Sellers Rank | #138 in Beauty & Personal Care ( See Top 100 in Beauty & Personal Care ) #1 in Hair Treatment Masks |
| Brand | K18 |
| Brand Name | K18 |
| Customer Reviews | 4.3 out of 5 stars 27,170 Reviews |
| Global Trade Identification Number | 00858511001289 |
| Hair Conditioner Type | Hair Conditioning Mask |
| Hair Type | All |
| Item Dimensions | 1.37 x 1.37 x 3.18 inches |
| Item Form | Cream |
| Item Height | 3.18 inches |
| Item Weight | 1 Ounces |
| Liquid Volume | 15 Cubic Meters |
| Manufacturer | K18 |
| Material Feature | Cruelty Free |
| Material Features | Cruelty Free |
| Number of Items | 1 |
| Package Type Name | Jar |
| Product Benefits | Our K18PEPTIDE™ repairs hair at a molecular level across multiple types of bonds, restoring hair health for all Product Benefits Our K18PEPTIDE™ repairs hair at a molecular level across multiple types of bonds, restoring hair health for all See more |
| Recommended Uses For Product | Shampoo, do not condition. Towel-dry thoroughly. Apply 1-3 pumps of K18 mask & massage through hair. Let treatment sit in the hair for 4 minutes. Do not rinse |
| Scent Name | Fresh |
| UPC | 858511001289 746559900490 858511001371 |

## Product Details

- **Brand:** K18
- **Hair Type:** All
- **Item Form:** Cream
- **Material Feature:** Cruelty Free

## Images

![K18 Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat - Image 1](https://m.media-amazon.com/images/I/818atWOwLOL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: How does the K18 mask work?**
A: The K18 Mask works as a treatment to reverse damage in 4 minutes. It’s powered by our biomimetic K18PEPTIDE to seamlessly fit in and reconnect broken polypeptide chains at the molecular level.

**Q: What is the K18PEPTIDE?**
A: K18PEPTIDE is a biotech-developed peptide that mimics hair’s structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during damage from bleach + color, chemical services, and heat.

**Q: Why skip conditioner?**
A: Conditioner leaves a film that blocks our peptide from penetrating effectively. Once the 4-minute wait time is up, feel free to use a conditioner, a leave-in, or any type of product.

**Q: I noticed there’s alcohol in the formula, isn’t that bad for you?**
A: We like to keep our formulas minimal, only using the exact amount of ingredients needed to get the peptide where it needs to go. Here the alcohol serves as an agent to optimize the hair environment for the K18 Mask to work on a deeper level.

**Q: When should I expect to see results?**
A: Most see results after 2-3 uses. The more damaged the hair, the more dramatic the results so it may vary depending on your hair type and level of damage.

## Customer Reviews

### ⭐⭐⭐⭐⭐ OMG! OMG ! OMG! K-18 FULFILLS ITS CLAIMS Read on!
*by G***G on June 25, 2025*

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

### ⭐⭐⭐⭐⭐ Fixed My Bleached Hair in One Use – Actual Hair Resurrection
*by C***E on May 27, 2025*

LITERALLY SAVED MY HAIR IN ONE USE – MIRACLE IN A BOTTLE I don’t usually leave reviews, but I would actually fight someone over this product if it ever got discontinued. Like. That’s how serious I am. I bleached the living life out of my hair recently—think straw, think crunchy ramen noodle ends, think “oops I fried it but I still want it to look good.” I used K18 once, and I swear to god my hair looked like I had never damaged it at all. ONE USE. Not three. Not six. One. This isn’t your average deep conditioner or protein mask. This is full-on biotech magic. The science behind it is real—this isn’t marketing fluff. It uses a patented peptide (K18Peptide™) that literally reconnects broken polypeptide chains in your hair. Like, it doesn’t just make your hair feel soft temporarily. It rebuilds it. We’re talking actual molecular repair. You feel the difference IMMEDIATELY. And even better? The results just get better the more you use it. No rinsing, no long routines. You just shampoo, skip conditioner, towel-dry, use 1–3 pumps depending on your hair length, and then wait 4 minutes. THAT’S IT. It absorbs fast, isn’t heavy, doesn’t make your roots oily, and doesn’t coat your hair in a waxy film like other products. My hair went from stringy and dead to soft, bouncy, shiny, and fully alive again. Also? A little goes a long way. It’s expensive, yeah, but it lasts forever and genuinely does what it says. I’d rather spend money once on something that works than keep buying cheap products that do nothing but mask the damage. TL;DR – If your hair is damaged from bleach, color, heat, or just life, BUY THIS. It’s not hype. It’s not overrated. It’s the best hair product on the planet and deserves to be in every single “best of” list forever. I’ve tried Olaplex, I’ve tried everything—nothing touches this. K18 is THAT GIRL.

### ⭐⭐⭐⭐⭐ My favorite hair mask
*by D***L on December 5, 2025*

The reason I bought this product. My hair designer suggested this to help with senior dry hair. 1. Easy to read instructions for applying. 2. Make hair soft and smooth. 3. One pump for thin/fine hair. 2 pumps for thick hair. 4. Scent is nice. 5. It’s on the expensive side but it’s worth the price for healthier hair in the long run.

## Frequently Bought Together

- K18 Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat
- K18 Damage Shield Protective Conditioner, Protects Hair from Daily Damage, Improves Strength & Shine, 8.5 Fl Oz
- K18 Damage Shield Protective Shampoo, Reduces Frizziness & Tangles, Maintains Hair Health, 8.5 Fl Oz

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*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-01-28*