K18 Logo

Clinically proven professional haircare

K18’s biotech lineup, now available 

Now available K18’s biotech lineup product bottles on a multicolored background with k18 logo

K18 Biomimetic Hairscience

Born after 10 years of complex bioscience research, the patented K18PEPTIDE™ works across every hair type + every salon service to reverse hair damage in four minutes.


Stylists can accomplish more while working around less damage. With true damage repair fueled by the K18PEPTIDE, The K18 molecular repair category is clinically proven to reverse hair damage from bleaching, chemical services, and heat. The PEPTIDE PREP™ category is informed by science to tackle buildup of every level to make salon services + products perform better. This holistic approach to clinically proven, science-backed hair repair is beloved by professionals, celebrity stylists, editors, and hair expressors all over the world. This is hair freedom for all—engineered with patented biotech.