K18 Hair Repair Mask 50ml
K18 Leave-In Molecular Repair Hair Mask 50ml — Professional Strength Hair Repair
The K18 Leave-In Molecular Repair Hair Mask 50ml is the professional-size version of the world's most advanced biomimetic hair repair treatment. Powered by the patented K18PEPTIDE™, it works in just 4 minutes to reconnect broken keratin chains caused by bleach, colour, chemical services, and heat — with no rinse required.
The 50ml size is ideal for regular home use or salon application, delivering salon-grade results at every wash. As an official UK K18 stockist, Bohairmia supplies the authentic formula trusted by professional colourists and stylists worldwide.
Key Benefits
- ✅ Repairs up to 91% of hair damage in a single 4-minute treatment
- ✅ Reconnects broken keratin chains — the root cause of brittle, weak, and over-processed hair
- ✅ Restores strength, elasticity, softness, and shine that feels like new hair
- ✅ No rinse required — lightweight leave-in formula with zero buildup
- ✅ Suitable for all hair types — bleached, colour-treated, relaxed, heat-damaged, curly, fine, and thick
- ✅ Extends colour longevity — colour stays vibrant longer when used alongside colour services
When to Use K18 Hair Mask 50ml
Use after every wash during an intensive repair phase, or once every 4–6 washes for ongoing maintenance. It is the ideal K18 hair treatment for bleached hair, K18 mask for colour-treated hair, and best leave-in hair mask for damaged hair UK. Also highly effective as a K18 hair mask for curly hair to restore definition and reduce frizz.
How to Use K18 Hair Mask 50ml
- 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 of K18 mask 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.
