HANDS DOWN THE BEST PRODUCT FOR REPAIR. CLINICALLY PROVEN TO REVERSE DAMAGE IN YOUR HAIR IN 4 MINUTES!

K18Peptide™ is the miracle molecular breakthrough that powers the K18 system & carries amino acids into the cortex of the hair to reconnect keratin chains & disulfide bonds to bring damaged strands back to their original, youthful state. Use of the K18 system can provide up to 91% original strength & 94% original elasticity in the hair!

The K18 Leave-In Molecular Repair Hair Mask is a patented bioactive peptide treatment for all hair types that works in just 4 minutes! This vegan, cruelty free, & color safe formula will leave the hair feeling like new & repaired from the inside out, restoring strength, softness, smoothness, & bounce with reduced breakage, split ends, & color fade.


This leave-in mask helps to strengthen & improve hair’s elasticity, while reversing damage from chemical services, thermal styling, & mechanical styling. With lightweight moisturizing benefits that detangle & keep hair smooth & soft, this treatment works for all hair types without weighing it down.


For best results, K18 is advised to be used for 4-6 consecutive washes & then every 3-4 washes as needed to maintain hair strength.

K18 Hair Canada

  • First, shampoo the hair – DO use a clarifying shampoo if you are an avid product/dry shampoo user!
  • DON’T condition! DO towel dry thoroughly.
  • Next, begin with 1 pump of K18 Mask, & work evenly into the hair. Add more as needed based off of the dosage chart, one pump at a time from ends to roots. DON’T use too much!
  • DO allow to activate for the full 4 minutes.
  • Finally, DON’T rinse out, & style as usual.
  • DO use for first 4-6 shampoos consecutively for full results, & then every 3-4 washes to maintain.


K18 Hair Canada How to Use