What Are Fusion Proteins?
And how K18 uses them to create never-before-seen benefits optimized for your hair’s biology. Read More
Where Does Hair Strength Come From?
Strength and elasticity comes from keratin protein building blocks. Your hair is made up of the cuticle and cortex. The cortex is responsible for s... Read More
Science Class 18: The science behind UV damage
You know how chemical services like bleaching, coloring, or heat styling can damage hair? Exposure to the environment can hurt hair the exact same ... Read More
Science Class 17: The science behind heat damage
Let’s talk about all things heat styling. Maybe your services involve hot tools—like a straightener, curling iron, or blow dryer. But did you know ... Read More
Science Class 16: Lipids + hair health
We’re a little obsessed with talking about hair’s structure—and for good reason! It's what keeps hair strong and elastic through everyday wear and ... Read Morecontributors
Karl Schmieder
Karl is a biochemist + the CEO of MessagingLab, a company that works with other Scientists to help them tell their...
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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....
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Aura Friedman
You name ‘em, Aura has colored their hair. From celebrities like Lady Gaga, magazines like Teen Vogue, and the...
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Christine Thompson
As a professional colorist at Spoke & Weal in Los Angeles, Christine specializes in corrective color, color change, and working...
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Esther Olu
Esther Olu is an R&D formulation scientist, esthetician, educator, science communicator who is a passionate advocate for dispelling misinformation within the...
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