K18
Leave-In Repair Mask
Molecular Repair · Deep treatment · 1.7 oz · around $75
Should you buy it? K18 Leave-In Repair Mask is a deep treatment at around $75 for 1.7 oz. Expensive but genuinely different. Works in four minutes and you don't rinse it out. For serious bleach or relaxer damage. It suits breakage, damaged hair, color-treated hair.
What it is
Expensive but genuinely different. Works in four minutes and you don't rinse it out. For serious bleach or relaxer damage.
Worth knowing
Use it on clean, towel-dried hair with nothing else on. Other products block it.
Who it suits
- Breakage
- Damaged hair
- Color-treated hair
- Heat styling
- A splurge
- Hair needing protein
- Wavy hair
- Curly hair
- Coily hair
- Straight hair
Where to buy it
These go to each retailer's live listing, so the price and stock you see are theirs and current. Some earn us a commission, which does not affect whether a product appears here.
How it compares
Other deep treatments in the directory that overlap with this one.
| Product | Price | Suited to | |
|---|---|---|---|
| Olaplex No. 3 Bond Repair Treatment | $30 | Breakage, Damaged hair, Color-treated hair | |
| Curlsmith Bond Curl Rehab Salve | $36 | Damaged hair, Breakage, Heat styling | |
| Briogeo Deep Conditioning Mask | $38 | Damaged hair, Breakage, Color-treated hair | |
| SheaMoisture Strengthen & Restore Treatment Masque | $13 | Breakage, Thinning hair, Edges |
Related reading
Questions people also ask
What hair does K18 Leave-In Repair Mask suit?
It suits breakage, damaged hair, color-treated hair, heat styling. Expensive but genuinely different. Works in four minutes and you don't rinse it out. For serious bleach or relaxer damage.
What is the most common mistake with K18 Leave-In Repair Mask?
Use it on clean, towel-dried hair with nothing else on. Other products block it.
Which K18 line is Leave-In Repair Mask from?
It is part of K18's Molecular Repair line. Brands rarely say which of their lines suits which hair or skin, so the line decoder sets out what each one is for.
Catalogue entry last updated . Prices move constantly and are checked against the retailer, not stored here.