K18 Leave-in Molecular Repair Hair Mask
The cheapest verified delivered price for K18 Leave-in Molecular Repair Hair Mask is £18.49 for the 5ml at Beautycos, checked 8 Oct 2026, 16:32. Per ml, the 150ml is the best value at 56p per ml. Every size and concentration is a separate product, compared only with exact matches.
Prices by size
Delivered totals for a UK delivery, including VAT and known fees.
| Size | Cheapest delivered | Retailer | Per ml | Against Amazon | Compare |
|---|---|---|---|---|---|
| 5ml | £18.49 | Beautycos | £3.70 per ml | — | Compare prices for K18 Leave-in Molecular Repair Hair Mask 5ml |
| 15ml | £29.99 | Rackhams | £2.00 per ml | Save £5.00 (14.3%) | Compare prices for K18 Leave-in Molecular Repair Hair Mask 15ml |
| 150ml | £84.65 | Perfume Click | 56p per ml | — | Compare prices for K18 Leave-in Molecular Repair Hair Mask 150ml |