K18 Leave-in Molecular Repair Hair Mask 50ml

K18

K18 Leave-in Molecular Repair Hair Mask 50ml

Reviewed byUpdated 4 Jun 2026

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£69.99

From £69.99 across 1 merchant
K18 Leave-In Molecular Repair Hair Mask 50ml Advanced leave-in treatment to repair, strengthen and restore damaged hair at a molecular level Quick Highlights 50ml leave-in hair treatment Repairs hair damage at a molecular level Helps strengthen and restore hair structure Improves softness, smoothness and shine Lightweight, non-rinse formula Suitable for all hair types Professional-grade haircare Overview K18 Leave-In Molecular Repair Hair Mask is an advanced hair treatment designed to repair damage caused by heat styling, colouring and chemical treatments. Powered by patented K18 peptide technology, it works at a molecular level to help reconnect broken keratin chains within the hair structure. This helps restore strength, elasticity and smoothness while improving overall hair appearance. Unlike traditional masks, this leave-in formula requires no rinsing and delivers lasting results in just minutes. Why Choose K18 Hair Mask Repairs hair at a molecular level Helps reverse damage from bleach, colour and heat Strengthens hair and reduces breakage Improves manageability and softness Lightweight, non-greasy formula Salon-quality results at home Who It’s For Damaged or chemically treated hair Dry, brittle or weak hair Colour-treated or bleached hair Heat-damaged hair All hair types seeking repair What It Helps Support Hair strength and resilience Reduced breakage and damage Improved hair texture and smoothness Enhanced shine and manageability Overall hair health Ingredients Key active: K18Peptide™ – helps repair and reconnect broken keratin chains within the hair (Full ingredient list available on product packaging) How to Use Shampoo hair and do not condition Towel dry until damp Apply 1–3 pumps depending on hair length Leave in for 4 minutes Do not rinse Style as usual When to Use After shampooing During hair repair routines After colouring or chemical treatments As needed based on hair condition Stack With Sulphate-free shampoo – for gentle cleansing Heat protectant – for styling protection Hair oil – for added shine and finish Safety Information For external use only Avoid contact with eyes Discontinue use if irritation occurs Keep out of reach of children FAQs 1. What makes K18 different from regular masks?It works at a molecular level to repair hair structure. 2. Do I need to rinse it out?No, it is a leave-in treatment. 3. Can I use conditioner with it?No, apply after shampooing without conditioner. 4. How often should I use it?Use regularly depending on hair damage. 5. Is it suitable for all hair types?Yes. 6. Does it help with bleach damage?Yes, it is designed for chemical damage. 7. Will it weigh hair down?No, it is lightweight. 8. Can I style my hair after?Yes, after 4 minutes. 9. Is it suitable for coloured hair?Yes. 10. How long before results?Results can be seen after initial uses. 11. Can I use it daily?Use as needed based on hair condition. 12. What size is it?50ml. Product Details Brand: K18 Product: Leave-In Molecular Repair Hair Mask Size: 50ml Format: Leave-in treatment Hair Type: All hair types Use: Repair treatment

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Product Details

BrandK18
MerchantLir Pharmacy
GTIN858511001128
MPNJ-4-4 UP-790392

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