SKU: 97120166770

K18 Leave-In Molecular Repair Hair Mask

Sale price$54.99 Regular price$61.10
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Shipping Estimate
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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3

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Description

K18 Leave-In Molecular Repair Hair MaskA leave in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE is clinically proven to repair damage from bleach + color, chemical services and heat with immediate and lasting results to restore strength, softness, smoothness and bounce to hair. Benefits: K18PEPTIDE is a biotech developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds

A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from bleach + color, chemical services and heat – with immediate and lasting results to restore strength, softness, smoothness and bounce to hair.

Benefits:

  • K18PEPTIDE™ is a biotech-developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during bleaching, color and chemical services + heat.
  • pH-optimized (5.0-6.0) to help minimize cuticle swelling + put hair proteins in their most resilient state
  • Cream format enables easy, lightweight application across all hair types, with detangling and softening benefits
  • Vegan, color-safe, cruelty-free
  • Takes damage repair further – reconnects both polypeptide chains (and as a result, also reconnects disulfide bonds) for strength along the length + width of the hair - offering comprehensive, lasting damage repair
  • Restores hair from even extreme damage - by working at the innermost layer of the hair, core strength and elasticity are renewed for strong, smooth, bouncy hair
  • Delivers immediate and lasting results – hair is repaired from the first use and lasts past your next wash, for ongoing reparative benefits
  • Simplified repair - convenient, leave-in formula works in just 4 minutes, with no extra rinse required
  • Works on all hair types – because K18PEPTIDE™ works on a molecular level (where all hair is the same), this product is effective on all hair types

How To Use:

  • Shampoo, do not condition. Towel-dry thoroughly.
  • Apply 1-3 pumps of K18 leave-in molecular repair hair mask based on your length and density, starting at the ends and working up towards the roots.
  • Let sit for 4 minutes. Do not rinse out. K18Retail
  • Comb, add product + style as usual.
  • Use for 4-6 washes post-salon service, then as needed.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 97120166770

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Do it yourself
Cuba, US
★★★★★ 5
Fits ok
Size: 48W x 30L, Color: Stonewashed
Material is light weight ok for day wearing but wouldn’t use for work wear
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Reviewed in the United States on November 13, 2025
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★★★★★ 5
good pants
Size: 46W x 28L, Color: Stonewashed
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Reviewed in the United States on January 1, 2026
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Peter J
Lowell, US
★★★★★ 3
Light Weight
Size: 38W x 30L, Color: Stonewashed
Ok jeans for the money. Still musty smelling even after two washings though.
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Reviewed in the United States on February 9, 2026
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Tim T.
Chelsea, US
★★★★★ 5
Good deal
Size: 58W x 28L, Color: Stonewashed
Good paints slit problem with shipping but fixed fast
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Reviewed in the United States on April 21, 2026
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Draper, US
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Fit true too size
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Reviewed in the United States on October 15, 2025

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