- Hair Care
- Hair Masks
- K18 Leave-In Molecular Repair Hair Mask
- In Stock
- 14 Day Returns
- Expedited Shipping
Frequently Bought With
Reverse the damaging effects of everyday stressors with the K18 Leave-In Molecular Repair Hair Mask.
This restorative hair mask works wonders on dry and damaged hair types, helping to revitalize stressed-out strands that require a little extra TLC. Working its magic within as little as four minutes, this mask repairs damage caused by heat, bleach, chemicals, and environmental aggressors.
Get your hands on smoother, bouncier hair within minutes! Featuring the brand's patented K18Peptide™, this mask travels deeper into the inner layers of the hair to fix broken keratin chains and ensure a professional level of hydration.
Written by Ellie Child, Beauty Editor
Hair Type: Formulated for all hair types
Hair Benefit: Smoothing, strengthening and hydrating
Hair Concern: Chemically treated, damaged
Ingredient Highlights: Vegan friendly and contains ahas, citric acid, keratin, peptides and vitamin e.
Formulated without: Colorants, parabens, phthalates, silicone, sulfates and contains no animal derived ingredients.
Good to know: Dermatologically tested. This product is cruelty free.
Made In: The USA
This hair mask contains vitamin e, which helps to support healthy scalp and hair and to encourage hair growth. There is also peptides contained in this item which works to regenerate new hair growth and to produce thicker and fuller looking hair.
What does K18 say?
"The patented peptide technology works to repair damage from bleach, color, chemical services & heat – restoring strength, softness, smoothness, and bounce to hair."
How do you use it?
- See the brand's dosage chart for exact usage
- For best results, use for the first 4-6 consecutive washes, then every 3-4 washes as needed to maintain hair strength
- When using in the shower, shampoo but do not condition
- When using out of the shower, towel dry thoroughly and begin with one pump of the K18 Mask
- Add more as needed depending on the length, thickness, and condition
- Use from ends to roots, one pump at a time
- Let sit for 4 minutes to activate
- Do not rinse out
- Style as usual
What sizes are available?
K18 Leave-In Molecular Repair Hair Mask is available in the following sizes:
- 0.5 oz
- 2 oz
K18 are on a mission to liberate expression, allowing men and women worldwide to rewrite the rules on hair care. Their all-vegan solutions allow for an easy styling session, providing deeply nourishing hair care products that ensure glossy, healthy strands all year round.
Can I be alerted when K18 Leave-In Molecular Repair Hair Mask goes on sale?
By comparing retailers across K18 Hair Care products, we’ll be first to know when there’s a sale, tap the button further up the page and we’ll let you know too.
Is K18 Leave-In Molecular Repair Hair Mask popular?
It’s among our top sellers and regularly sells out, order while stocks last with our retailers.
Is Leave-In Molecular Repair Hair Mask from K18 Dermatologist recommended?
This K18 Hair Care product is dermatologist recommended.
Is the K18 Leave-In Molecular Repair Hair Mask Hair Care product cruelty-free/vegan-friendly?
This K18 Hair Care product is 100% vegan with no ingredients derived from animals.
Shipping & Returns
This product is eligible for free standard shipping with Cloud10Beauty. Orders are expected to arrive 3-5 days after dispatch. Express/Next day shipping option available. Shipping available to U.S addresses only.
This store has a 14 day return policy, see checkout for up-to-date conditions.