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Free Shipping orders $55+
Free Shipping orders $55+

K18 Leave-In Molecular Repair Hair Mask


A leave-in treatment mask for all hair types that clinically reverses damage in 4 minutes. The patented peptide technology works to repair damage from bleach, color, chemical services & heat – restoring strength, softness, smoothness, and bounce to hair.

Our K18Peptide is clinically proven to reverse damage in just 4 minutes.

  • Heals damage from bleach, color, chemical services, and heat
  • Restores strength, softness, smoothness, and bounce
  • Doesn’t wash away with shampoo, leaving lasting results
  • Vegan, color-safe, cruelty-free

up to 91% original strength*
up to 94% original elasticity*

* Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality and history.

How to Use:


After shampoo, do not condition! Towel dry hair thoroughly.


Begin with 1 pump of the K18 mask and add more as needed depending on the length, thickness, and condition of hair. Work evenly into hair from ends to roots, one pump at a time. Leave in for 4 minutes to activate and do NOT rinse out. Style as usual

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