/ hair science

The Science Behind K18REPAIR™

How our patented K18PEPTIDE™ reverses hair damage from the inside out.
/ people

K18 Color Trip National Education Tour

Discover how top PRO stylists like Jack Martin, Alfredo Lewis + Eric Vaughn make hair magic happen—live.
/ business

How to Build Your Clients’ Take-Home Routines with K18 Mask + DAMAGE SHIELD

A PRO’s top tips for building your clients’ take-home routines
/ people

How Embracing My Natural Hair Texture Transformed My Life

PRO Stylist Latoya Moore shares her hair story and mission to help clients love their hair.
/ hair science

How Nature Inspires K18 Innovation

See what’s possible with our biology-first approach.
/ products

How DAMAGE SHIELD Protects Hair with Biomimetics

Damage happens daily, but with biotechnology, you can stop it before it starts.