---
product_id: 328478736
title: "K18 Leave-In Molecular Repair Hair Mask"
brand: "k18"
price: "€ 150.35"
currency: EUR
in_stock: true
reviews_count: 13
category: "K18"
url: https://www.desertcart.gr/products/328478736-k18-leave-in-molecular-repair-hair-mask
store_origin: GR
region: Greece
---

# works on all hair types patented K18PEPTIDE tech 4-minute rapid repair K18 Leave-In Molecular Repair Hair Mask

**Brand:** k18
**Price:** € 150.35
**Availability:** ✅ In Stock

## Summary

> 🧪 Unlock your hair’s molecular makeover—because your strands deserve next-level care!

## Quick Answers

- **What is this?** K18 Leave-In Molecular Repair Hair Mask by k18
- **How much does it cost?** € 150.35 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/328478736-k18-leave-in-molecular-repair-hair-mask)

## 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

- • **Leave-In Luxury:** No rinse needed—just apply, wait, and style for effortless, salon-quality hair at home.
- • **Universal Hair Hero:** Effective on every hair type, from sleek straight to coily curls—because your hair deserves the best.
- • **Biotech-Powered Strength:** Patented K18PEPTIDE reconnects hair’s keratin for visibly stronger, smoother strands.
- • **Molecular Magic in Minutes:** Repairs hair damage at the molecular level in just 4 minutes—fast results for busy pros.
- • **Long-Lasting Bounce & Shine:** Noticeably softer, frizz-free hair with improved manageability after just a few uses.

## Overview

K18 Leave-In Molecular Repair Hair Mask is a cutting-edge peptide treatment that reverses damage from bleach, color, chemical processes, and heat in just 4 minutes. Its patented K18PEPTIDE technology penetrates deep into the hair’s keratin structure to reconnect broken bonds, delivering stronger, smoother, and more resilient hair. Suitable for all hair types, this leave-in formula boosts softness, shine, and manageability without weighing hair down, making it a must-have for professionals and trendsetters seeking salon-quality results at home.

## Description

desertcart.com: K18 Leave-In Molecular Repair Hair Mask - Peptide Hair Treatment Mask for Bleach, Color, Chemical + Heat Damaged Strands - Immediate + Lasting Damage Reversal in 4 Minutes (1.7 Fl oz) : Beauty & Personal Care

Review: Absolutely Worth the Hype - I’ve tried a lot of hair products over the years, and K18 is one of the few that actually lived up to its promises. After just a few uses, my hair felt noticeably softer, smoother, and much stronger. It helped reduce frizz, made my hair easier to brush, and gave it a healthier look without weighing it down. A little goes a long way, so the bottle lasts longer than I expected. I especially noticed a difference on my dry, damaged ends from heat styling and coloring. My hair looks shinier, feels healthier, and doesn’t break as easily. The price is definitely higher than most hair products, but because you only need a small amount and it actually works, I think it’s worth the investment. If your hair is damaged, overprocessed, or just needs some extra care, I highly recommend giving K18 a try.
Review: If your hair is angry from not such great ideas -use this - I decided to get a perm that well didn’t look or go as well as I would have liked but we are going to get through it. My ends didn’t do well at all and I had 3 inches cut off and immediately after started K 18 leave in treatment, first I noticed my hair settling down and feeling softer. The ends that still need to be trimmed looked better and the frizzyness was a tad tamed. There is not much of a scent which I appreciated, my hair has a nice shine without being greasy, it was easy to use, pump the amount of product for your hair, I did 1.5, rub to emulsify and pull through your hair, wait 4 minutes and add your products and style. I used a clarifying shampoo the first time since so many hair creams have silicone which makes it hair for any product to penetrate and since this is a leave-in and works from the inside by being absorbed. I am happy with this product and this will be a part of maintenance as my hair grows out again and this perm is a funny remember that great idea I had 😉 for Me the cost and results have been outstanding! I did 5 treatments consecutively and will do a once a month maintenance.

## Features

- 4-Minute Molecular Hair Repair Treatment: A leave-in peptide hair mask designed to repair and reverse damage at the molecular level for stronger, smoother, more resilient hair in just 4 minutes.
- How It Works: Patented K18PEPTIDE repairs hair at a molecular level to reverse damage from bleach, color, chemical services, and heat*. The biotech-developed peptide mimics and clicks into hair's keratin structure to reconnect polypeptide chains and disulfide bonds for strength along the length + width of hair.
- Works on All Hair Types: Because our hair treatment works at the innermost layer of the hair rather than only targeting the outer cuticle like many deep conditioning hair masks, it's effective on all strands, even coily and curly hair.
- Boosts Strength + Smoothness: Helps improve texture, manageability, and bounce with a highly concentrated hair cream formula with detangling and softening benefits. Most see results after 2-3 uses.
- How to Use: Shampoo, skip conditioner, and apply 1-3 pumps of the leave in hair mask to clean, towel-dried hair. Let sit for 4 minutes, do not rinse, then style as usual. Use for 4-6 consecutive washes, then as needed.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B0961ZS96M |
| Best Sellers Rank | #8 in Hair Treatment Masks |
| Item Model Number | K18-31005 |
| Manufacturer | K18 |
| Product Dimensions | 1.87 x 1.87 x 4 inches; 3.2 ounces |
| Upc | 858511001029 858511001128 729162271362 729162270877 755801147958 726929222179 729162271317 729162271249 729162271096 |

## Product Details

- **Brand:** K18
- **Hair Type:** Damaged
- **Item Form:** Cream
- **Material Feature:** Natural

## Images

![K18 Leave-In Molecular Repair Hair Mask - Image 1](https://m.media-amazon.com/images/I/710BX5Vlu9L.jpg)

## Available Options

This product comes in different **Color, 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

### ⭐⭐⭐⭐⭐ Absolutely Worth the Hype
*by M***E on July 10, 2026*

I’ve tried a lot of hair products over the years, and K18 is one of the few that actually lived up to its promises. After just a few uses, my hair felt noticeably softer, smoother, and much stronger. It helped reduce frizz, made my hair easier to brush, and gave it a healthier look without weighing it down. A little goes a long way, so the bottle lasts longer than I expected. I especially noticed a difference on my dry, damaged ends from heat styling and coloring. My hair looks shinier, feels healthier, and doesn’t break as easily. The price is definitely higher than most hair products, but because you only need a small amount and it actually works, I think it’s worth the investment. If your hair is damaged, overprocessed, or just needs some extra care, I highly recommend giving K18 a try.

### ⭐⭐⭐⭐⭐ If your hair is angry from not such great ideas -use this
*by M***L on August 3, 2026*

I decided to get a perm that well didn’t look or go as well as I would have liked but we are going to get through it. My ends didn’t do well at all and I had 3 inches cut off and immediately after started K 18 leave in treatment, first I noticed my hair settling down and feeling softer. The ends that still need to be trimmed looked better and the frizzyness was a tad tamed. There is not much of a scent which I appreciated, my hair has a nice shine without being greasy, it was easy to use, pump the amount of product for your hair, I did 1.5, rub to emulsify and pull through your hair, wait 4 minutes and add your products and style. I used a clarifying shampoo the first time since so many hair creams have silicone which makes it hair for any product to penetrate and since this is a leave-in and works from the inside by being absorbed. I am happy with this product and this will be a part of maintenance as my hair grows out again and this perm is a funny remember that great idea I had 😉 for Me the cost and results have been outstanding! I did 5 treatments consecutively and will do a once a month maintenance.

### ⭐⭐⭐⭐⭐ it is effective
*by M***E on August 1, 2026*

I absolutely love this repair hair mask! It leaves my hair feeling soft, healthy, and deeply nourished. It works really well, and I can see a difference after using it. My only complaint is that it is a little pricey for the size, but the quality is excellent. I would still recommend it!

## 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.gr/products/328478736-k18-leave-in-molecular-repair-hair-mask](https://www.desertcart.gr/products/328478736-k18-leave-in-molecular-repair-hair-mask)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-08-26*