Frequently Asked Questions

Get answers to common questions about K18 Molecular Repair.

K18 Molecular Repair is a salon-strength peptide treatment that reconnects broken keratin chains inside hair. It penetrates damaged cortex structures, rebuilding elasticity and strength at a molecular level to reverse mechanical and chemical damage for healthier, more resilient strands.

An in-salon K18 Molecular Repair treatment requires about 10 to 15 minutes for the formula to work, plus time for consultation, shampoo, and styling. Total appointments typically last 30 to 45 minutes, depending on hair length and added services.

Yes. K18 is designed to be used after chemical services to repair bonds broken during coloring or bleaching. It helps restore strength and elasticity without altering color when applied correctly, and our stylists will integrate it safely into your final service.

Many clients notice immediate improvement after a single treatment, with reduced breakage and improved texture. For severely damaged hair, a series of two to three treatments spaced weeks apart may produce fuller restoration and longer-lasting bond repair.

Yes. K18 is compatible with most styling products and can be used before styling to strengthen hair. Use leave-in peptides as directed, and continue your usual serums, heat protectants, and finishes; our stylists will advise best combinations for your hair.

Results can last weeks to months, depending on hair type, styling habits, and chemical services. With proper at-home care and K18 maintenance products, many clients enjoy sustained improvement and reduced breakage for six to eight weeks or longer between salon treatments.