K18 leave-In Professional Molecular Repair Hair Mask 150ml

Powered by K18PEPTIDE™, this mask penetrates the hair’s molecular structure to reconnect broken polypeptide chains caused by bleach, color, chemical services, and heat. Clinically proven to deliver immediate and lasting results, it works on all hair types and requires no rinse, simplifying your hair care routine.

With a color or chemical service:

1. Before the service, apply K18 professional molecular repair hair mist. Wait 4 minutes. Do not rinse out.
2. 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.
3. Proceed with cut or style as usual.
4. 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:

1. Shampoo, do not condition. Towel-dry thoroughly
2. 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.
3. Let sit for 4 minutes. Do not rinse out.
4. Proceed with cut or style as usual.

• 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