
K18
K18 Leave-in Molecular Repair Hair Mask 5ml
Reviewed byOrganicDiscount TeamUpdated 25 Jun 2026
Best price available
£9.99
Key features
- Is it good for travel?Yes, compact and convenient
- Will it weigh hair down?No, it is lightweight
- Can I style after use?Yes, after 4 minutes
- What size is it?5ml
Product Overview
K18 Leave-In Molecular Repair Hair Mask 5ml Travel-size repair treatment to strengthen and restore damaged hair at a molecular level Quick Highlights 5ml travel-size sachet Leave-in molecular hair repair treatment Helps repair damage from heat and chemical treatments Supports stronger, smoother hair Lightweight, non-rinse formula Ideal for trial or travel use Suitable for all hair types Overview K18 Leave-In Molecular Repair Hair Mask (5ml) is a compact, travel-friendly version of the award-winning hair treatment designed to repair damage at a molecular level. Powered by patented K18Peptide™ technology, it works to reconnect broken keratin chains caused by colouring, bleaching and heat styling. This helps restore hair strength, softness and manageability in just minutes.
Perfect for first-time users or on-the-go haircare, this sachet delivers professional-level repair in a convenient size. Why Choose K18 Hair Mask Repairs hair from within, not just the surface Helps reverse damage from bleach, colour and heat Strengthens hair and reduces breakage Improves smoothness and shine No rinse required Ideal trial size before committing to full size Who It’s For Damaged or chemically treated hair Dry, brittle or weak hair Colour-treated or bleached hair Heat-damaged hair Anyone wanting to trial K18 What It Helps Support Hair strength and resilience Reduced breakage Improved smoothness and softness Enhanced shine and manageability Overall hair condition Ingredients Key active: K18Peptide™ – helps repair and reconnect broken keratin chains (Full ingredient list available on product packaging) How to Use Shampoo hair and do not condition Towel dry until damp Apply a small amount evenly through hair Leave for 4 minutes Do not rinse Style as usual When to Use After shampooing During hair repair routines After colouring or heat styling As needed based on hair condition Stack With Sulphate-free shampoo – for gentle cleansing Heat protectant – for styling protection Hair oil – for added shine Safety Information For external use only Avoid contact with eyes Discontinue use if irritation occurs Keep out of reach of children FAQs 1. What is this product used for?It repairs and strengthens damaged hair.

2. Do I rinse it out?No, it is a leave-in treatment. 3.
Is this enough for one use?Yes, depending on hair length. 4. Can I use conditioner with it?No, apply after shampoo only.
5. Is it suitable for all hair types?Yes. 6.
Does it help bleach damage?Yes. 7. Is it good for travel?Yes, compact and convenient.
8. Will it weigh hair down?No, it is lightweight. 9.
Can I style after use?Yes, after 4 minutes. 10. Is it suitable for coloured hair?Yes.
11. How often should I use it?As needed based on hair condition. 12.
What size is it?5ml. Product Details Brand: K18 Product: Leave-In Molecular Repair Hair Mask Size: 5ml Format: Leave-in treatment sachet Hair Type: All hair types Use: Repair treatment
Pros & Cons
Pros
- Is it good for travel?Yes
- Will it weigh hair down?No
Cons
- Currently sold by only one merchant — limited price competition
- No customer reviews yet
- Price history not yet established
Price Analysis
Fair Price
The current price is around the average. It's a reasonable time to buy.
Current Best
£9.99
Average Price
£9.99
Lowest Ever
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Highest Ever
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Compare Prices (1 merchant)
Compare prices for K18 Leave-in Molecular Repair Hair Mask 5ml
| Merchant | Price | Shipping | Total | Status | |
|---|---|---|---|---|---|
Li Lir Pharmacy Best Price | £9.99 | — | £9.99 | Out of Stock | Go to Store |
Price Alert
Get notified when the price drops. No account required.
Product Details
| Brand | K18 |
| Merchant | Lir Pharmacy |
| GTIN | 858511001098 |
| MPN | UP-792147 |
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