K18 Molecular Repair Mask - 150ml

K18 Molecular Repair Mask - 150ml



K18 Molecular Repair Mask - 150ml

This leave-in treatment mask is a hair savior, repairing damage and rejuvenating hair to a healthy state post-salon services. It harnesses the incredible power of K18PEPTIDE, which works wonders in reuniting broken polypeptide chains and disulfide bonds, restoring strength and elasticity in just 4 minutes. Clinically proven to mend damage caused by bleach, color, chemical services, and heat, it provides immediate and enduring results. The creamy formulation also adds a touch of softness, smoothness, and conditioning to your hair.


  • Bleach + Color
  • Heat
  • Chemical Services


  • K18PEPTIDE™ is a biotech-developed peptide that mimics hair's structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during bleach, color and chemical services, and heat.
  • pH-optimized (5.0-6.0) to help minimize cuticle swelling + put hair proteins in their most resilient state after salon service or shampoo
  • Cream format enables easy, lightweight application across all hair types, with detangling and softening benefits.
  • Vegan, color-safe, cruelty-free
  • Takes damage repair further: biomimetic peptide seamlessly fits in and reconnects broken polypeptide chains at the molecular level. As a result, disulfide bonds are also reconnected for reinforced strength along the length + width of hair—offering comprehensive, lasting repair
  • Restores hair before and after color and chemical services 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
  • 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 and with every service
  • Clinically proven to reverse hair damage from: bleach + color, chemical services, and heat


The K18 professional molecular repair hair mask is meant to be used as the second part of the K18 molecular repair service.

With a color or chemical service:

  • Before the service, apply K18 professional molecular repair hair mist. Wait 4 minutes. Do not rinse out.
  • Apply 1-3 pumps of K18 professional molecular repair hair mask based on your client’s length and density, starting at the ends and working up towards the roots. Let sit for 4 minutes. Do not rinse out.
  • Proceed with cut or style as usual.
  • If toning, use K18 PRO mist first, wait 4 minutes, then apply toner directly over PRO mist. Process as usual. Rinse or shampoo toner + apply K18 PRO mask per instructions above.

Without a chemical service:

  • Shampoo, do not condition. Towel-dry thoroughly
  • Apply 1-3 pumps of K18 professional molecular repair hair mask based on your client’s length and density, starting at the ends and working up towards the roots.
  • Let sit for 4 minutes. Do not rinse out.
  • Proceed with cut or style as usual.

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Our refund and exchange policies are as follows:

Returns must be pre-arranged by requesting a return via our Contact Us link. 

For most returns, we will provide you with a link to obtain a return shipping label, free of charge. Returns must be arranged with us within 30 days of the date of purchase. Refunds will only be issued if the product is unused, in it’s original packaging. and in sellable condition (as determined by us upon receipt).

Defective products and products under Warranty will be replaced and/or given an online store credit at our discretion, and based on product availability. If you are not happy with the performance of a product or feel that it is defective, please contact us to discuss a replacement product or an online store credit, which may be issued, at our discretion, as determined on a case by case basis.

For all exchanges and/or replacements, the new item will be sent to you once the returned item is received by us

When a purchase is made at the store level, you have the option to return/exchange the product at the store, or you may send it to our Head Office via Canada Post.  Simply package the product with a copy of the receipt and mail it to 101 Jevlan Drive, Vaughan, ON, L4L 8C2. Please write the store location (and salesperson if possible) on the receipt. When we receive it, you will receive a full refund or exchange on your purchase.

Please Note that for reasons of health & hygiene - appliances, tools, hair extensions, and products that are used directly on your hair, skin, or nails, cannot be exchanged unless defective