K18 Hair Mask 150ml Hair Repair (Save £35.01)
K18 Leave-In Molecular Repair Hair Mask 150ml — Salon-Size Hair Repair Treatment
The K18 Leave-In Molecular Repair Hair Mask 150ml is the ultimate salon-size version of the world's most advanced biomimetic hair repair treatment. Powered by the patented K18PEPTIDE™, it repairs broken keratin chains in just 4 minutes — no rinse required — reversing damage from bleach, colour, chemical services, and heat styling.
The 150ml size offers outstanding value for regular users and salon professionals. As an official UK K18 stockist, Bohairmia supplies the authentic professional-grade formula trusted by colourists and stylists across the UK.
Key Benefits
- ✅ Repairs up to 91% of hair damage in a single 4-minute application
- ✅ Reconnects broken keratin chains at a molecular level — not just a surface fix
- ✅ Restores strength, elasticity, softness, and bounce that feels like new hair
- ✅ No rinse required — leave-in formula with no residue or buildup
- ✅ Suitable for all hair types — bleached, colour-treated, relaxed, heat-damaged, curly, fine, and thick
- ✅ Best value K18 mask — ideal for frequent use or salon application
When to Use K18 Hair Mask 150ml
This is the go-to size for anyone committed to a full K18 repair programme or using K18 regularly in a salon setting. Use it as a K18 hair treatment for severely damaged hair, a professional hair repair mask for bleached hair, or a leave-in hair mask for colour-treated hair UK. Also ideal as a K18 hair mask for natural and curly hair to restore definition and elasticity.
How to Use K18 Hair Mask 150ml
- Shampoo with K18 PEPTIDE PREP™ Detox Shampoo. Do not condition.
- Towel dry to remove excess water — hair should be damp, not dripping.
- Apply 1–3 pumps from ends to roots, depending on hair length and density.
- Leave in for 4 minutes. Do not rinse.
- Style as usual. No heat required to activate.
For intensive repair: use after every wash for 4–6 applications. For maintenance: use once every 4–6 washes.
Ingredients
Water (Aqua), Cetearyl Alcohol, Behentrimonium Chloride, Isopropyl Alcohol, Bis-Aminopropyl Diglycol Dimaleate, Hydrolyzed Keratin, Hydrolyzed Wheat Protein, Panthenol, Tocopherol, Phenoxyethanol, Ethylhexylglycerin, Citric Acid, Fragrance (Parfum), Linalool, Benzyl Alcohol, Geraniol, Hexyl Cinnamal.
Complete the K18 Repair Routine
For maximum results, use as part of the full K18 system: K18 PEPTIDE PREP™ Detox Shampoo → K18 Molecular Repair Mask → K18 Molecular Repair Hair Oil. Each step works synergistically to deliver lasting, salon-grade repair.
