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Leave-In Molecular Repair Hair Mask
$29.00
K18 asks for a precise application and no stacking conditioners after. When followed, it’s a strong premium repair option for high damage.
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Compare against similar products
Side-by-side vs 6 near substitutes (Olaplex, L'Oreal Paris, Redken, Briogeo, Living Proof, and Pantene) — best for, key actives, type, Edyt score, and notes. Swipe sideways to compare.
| Pick | |||||||
|---|---|---|---|---|---|---|---|
| Best for | K18 asks for a precise application and no stacking con… | Olaplex No.3 is the leave-on pre-shampoo treatment tha… | L’Oréal’s bond/molecular repair launches bring the cat… | Redken ABC intensive treatment is a salon-backed optio… | Briogeo DDR is more classic deep conditioner than true… | Living Proof Restore mask focuses on strength and soft… | Pantene Miracle Rescue masks are widely available soft… |
| Key actives | K18Peptide | Bond builder | Bond-care actives | Citric · Bond-care | Rosehip · B-vitamins | Restore complex | Conditioners |
| Type | Bond repair treatment | Bond repair treatment | Bond repair treatment | Bond repair treatment | Bond repair treatment | Bond repair treatment | Bond repair treatment |
| Edyt score Methodology: The Edyt Score reflects a comprehensive analysis of ingredient profiles, concentration levels, and formulation standards. It is an objective technical evaluation of the product's composition, separate from crowd-sourced user reviews. | 4.6 | 4.6 | 4.4 | 4.5 | 4.5 | 4.4 | 4.2 |
| Notes | Premium · Leave-in mask · Peptide | Category iconic · Pre-shampoo · Damaged hair | Drugstore · Accessible · System-friendly | Salon · Color care · Acidic bonding | Deep mask · Clean-leaning · Moisture | Mask · Softness · Premium | Budget · Deep mask · Accessible |
| $ / size | $29.00 | $34.00 | $17.99 | $36.00 | $39.00 | $42.00 | $12.97 |
| Shop | Buy on AmazonThis page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page | Buy on AmazonProduct page |
FAQ
Who is Leave-In Molecular Repair Hair Mask best for?
K18 asks for a precise application and no stacking conditioners after. When followed, it’s a strong premium repair option for high damage.
How did Edyt score this bond repair treatment?
Edyt rates Leave-In Molecular Repair Hair Mask 4.6 out of 5 based on formula fit for at-home nail looks — who it is built for and how it performs in paint or press kits — not star averages or paid placement.
How does it compare to similar products?
The compare table above stacks Leave-In Molecular Repair Hair Mask against near substitutes for the same shopping job, including picks from Olaplex, L'Oreal Paris, Redken, Briogeo, Living Proof, and Pantene. For more from the same brand, see More from K18 below.
Where can I buy it?
Shop Leave-In Molecular Repair Hair Mask with the Buy on Amazon button when it is available. We may earn a commission from qualifying purchases. Prices and availability can change. You can also find it in our guide to Best Bond Repair Treatments.
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