Collection: K18

Shop K18 at Hair Naturally

K18 takes hair repair to the molecular level. Its patented biomimetic peptide travels into the hair's keratin structure to reconnect broken bonds in just four minutes, delivering strength, softness, and bounce that survives washing, heat, and color. It is the repair treatment stylists reach for in the salon and now you can use it at home.

  • Leave-In Molecular Repair Mask, the cult-favorite four-minute treatment
  • Shampoo, conditioner, and oils that keep repaired hair protected
  • Color, bleach, and heat-safe formulas for all hair types

Give damaged hair a real reset. Shop authentic K18 at Hair Naturally.