How much leave-in mask should you use?
A handy dosage guide for every hair type, density, and length. Read More
/ curly-coily-care

How to Revive + Preserve Natural Curl Patterns

Make limp, frizzy, or undefined curls bounce back with K18REPAIRâ„¢. Read More
/ hair science

The Discovery Of K18PEPTIDEâ„¢ Powering K18REPAIRâ„¢

A behind-the-scenes look at the history of K18 molecular repair—and how it reverses damage for all hair types in the salon and at home. Read More
/ hair stories, Interview

How We Stay Connected to Our Hispanic Heritage Through Beauty + Traditions

K18’s JC Velasco and Claudia Franco share how their culture inspires self-expression and how they celebrate it every day. Read More

8 Ways to Multitask While K18REPAIRâ„¢ Works

Deliver healthier hair through every transformation—and build your business—in just 4 minutes. Read More
/ hair science, science

How Intentional Formulation = Targeted Results in Fewer Steps

Every K18 ingredient serves a specific purpose to benefit hair—without fillers or fluff—so your routine does more with less. Read More
contributors
Biochemist
Karl Schmieder

Karl is a biochemist + the CEO of MessagingLab, a company that works with other Scientists to help them tell their...

Scientist
Heleen Kibbelaar

Heleen holds a bachelor's and master's degree in (physical) chemistry from the University of Amsterdam and Utrecht University in the Netherlands....

Colorist
Aura Friedman

You name ‘em, Aura has colored their hair. From celebrities like Lady Gaga, magazines like Teen Vogue, and the...

Salon Owner
Christine Thompson

As a professional colorist at Spoke & Weal in Los Angeles, Christine specializes in corrective color, color change, and working...

Colorist
Linh Phan

Linh Phan, or as his loyal following calls him, BESCENE is an international educator, salon owner + CEO. Sharing his trend-spotting...

Scientist
Esther Olu

Esther Olu is an R&D formulation scientist, esthetician, educator, science communicator who is a passionate advocate for dispelling misinformation within the...