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K18 Leave-in Molecular Repair Hair Mask patented bioactive peptide treatment strengthens and improves elasticity while reversing damage from chemical services, thermal styling, and mechanical styling.
For all hair types
● Bleach + Colour
● Heat
● Chemical Services
● Mechanical Styling
Hair like new. K18 Leave-in Molecular Repair Hair Mask heals and strengthens hair with lightweight moisturising benefits to detangle and keep hair smooth and soft, without weighing it down. Please see the dosage chart for exact usage.
For best results, use for the first 4-6 consecutive washes following a service, and then every 3-4 washes as needed to maintain hair strength.
● Vegan
● Colour Safe
● Cruelty-Free
K18 Leave-in Molecular Repair Hair Mask 50ml
✨ Discover Your Hair's Ultimate Transformation! ✨
The K18 Secret: Say Goodbye to Damaged Hair & Hello to Radiance!
● Instantly Reverse Damage (4 Mins): Clinically proven to restore strength, softness, and bounce from chemical, heat, or mechanical styling.
● Fortify & Protect: Reduces breakage and split ends, keeping your hair resilient and healthy.
● Vibrant Colour Shield: Preserves your colour, preventing fade for lasting brilliance.
● Effortless Manageability: Detangles, smooths frizz, and leaves hair incredibly soft and light.
● Universal Hair Love: Works wonders on all hair types, from fine to thick, straight to coily.
K18Peptide™ is the miracle molecule 🧪 haircare was waiting for. Clinically proven to reverse damage in just 4 minutes. ⏱️
You’ll discover:
🌟 Like-new hair repaired from the inside out
❤️🩹 Healed damage from bleach, colour, chemical services, heat, and mechanical styling
💪 Restored strength, softness, smoothness, and bounce
✨ Reduced breakage, split ends, and colour fade
⚖️ pH balance of 5.0-6.0
🔁 Doesn’t wash away with shampoo, leaving lasting results
🔬 91% original strength*
🔬 94% original elasticity*
* Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality and history.
How to use
1. Shampoo, do not condition. Towel dry thoroughly.
2. Begin with 1 pump of K18 Mask and add more as needed, depending on the length, thickness, and condition. Work evenly into hair, one pump at a time, from ends to roots.
3. Let sit for 4 minutes to activate.
4. Do NOT rinse out. Style as usual.
Dos & Don'ts
✅ DO use a clarifying shampoo if you’re a heavy product or dry shampoo user.
✅ DO dry thoroughly with a hair towel or turban before application. 🧖♀️
✅ DO wait the full 4 minutes before styling or applying another product. ⏳
✅ DO use every 4-6 shampoos consecutively to see and feel the full results. 🗓️
❌ DON’T condition your hair before applying K18.
❌ DON’T use too much. 🤏
❌ DON’T rinse it out. 💧
Ingredients
Water (Aqua) (Eau), Alcohol Denat., Propylene Glycol, Cetearyl Alcohol, Dicaprylyl Ether, Cetyl Esters, Behentrimonium Chloride, Polysorbate 20,sh-Oligopeptide-78 (K18Peptide™), Hydrolyzed Wheat Protein, Hydrolyzed Wheat Starch, Isopropyl Alcohol, Tocopherol, Phenoxyethanol, Potassium Sorbate, Citric Acid, Fragrance (Parfum), Geraniol, Linalool, Hexyl Cinnamal, Benzyl Alcohol.
Delivery info
All orders are shipped using Royal Mail Tracked 24 (1-2 working days). This service provides tracking information so you can stay updated on the progress of your delivery. Orders placed by 4PM on a business day (Monday-Friday) will be dispatched the same day! Saturday cut-off for same-day despatch is 10:30AM.
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Enjoy FREE SHIPPING on all orders over £40!
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For orders under £40, a flat rate shipping fee of £4.99 will be applied at checkout.
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Reviews
This product is absolutely fantastic, has helped me with my damaged hair.
I rave about this product all the time to friends and family especially for those of us that love to bleach and heat style. It is a miracle product. a little goes a long way. Down side is that it is expensive - but I'm happy to pay the price for the repair work that it does. use it according to instructions otherwise - it does nothing to the hair and you will notice a big difference if it use it as per instructions. I bought the 50ml and regret not buying the bigger size...