power your services with science
molecular repair hair oil
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Rated 4.8 out of 5
Weightless oil that strengthens, repairs damage + reduces frizz
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K18 molecular repair service
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Rated 4.9 out of 5
PRO mist + mask to reverse hair damage
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PEPTIDE PREP™ PRO chelating hair complex
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Rated 4.9 out of 5
No-mix, spray-on demineralizing treatment
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PEPTIDE PREP™ detox shampoo
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Rated 4.7 out of 5
Back bar size of our color-safe, non-stripping clarifying shampoo formulated with the K18PEPTIDE™
View PEPTIDE PREP™ detox shampoo 32oz (WHOLESALE) product
don't take our word for it, the PROs know
Ground-breaking artists like Jack Martin have brought their services into the future with next-level damage repair.
where molecular repair works
So what’s the molecular repair difference?
No bragging, just facts. Learn how we’re truly repairing hair
*Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality, and history.
see molecular repair in action
one application of the K18 molecular repair service with a salon treatment brings hair back up to
91% virgin strength + 94% virgin elasticity*
*Results observed in a clinical study while using mist and mask as part of a bleaching treatment. Results may vary depending on hair type, quality, and history.
the molecular repair system
want to learn EVEN more? head to science class
SCIENCE CLASS 02: the dynamic world of hair
We’ll open this class with a question. What do you really know about hair? Did you know it’s not a static, physical thing? It’s a dynamic, constan... Learn More
HAIR MYTH BUSTING 02: most products are NOT optimized for hair
Ok listen, we’ve all been there. Your hair doesn’t look or feel the way you want it to, so you add some (a ton of) product. Maybe it’s a styler to... Learn More
Buzzword Breakdown 02: biomimetics
You know how we roll, we like to challenge, myth bust, and break down every type of buzzword in the hair world—because we found through our researc... Learn More
MYTH BUSTING 03: the TRUTH behind hair damage
The D word. That damn damage! It’s the worst. We know, we built a whole company around renewing hair that’s been destroyed by it. It’s not exactly ... Learn More
Myth Busting 06: The Truth About “Virgin” Hair
We were born in the salon, so we know all about a little thing called chemical damage—and we know our peeps do too. But what about the chemical dam... Learn More
healthier hair, better results
Shop the PEPTIDE PREP™ category to clear buildup + prep hair for maximum damage repair from K18 molecular repair formulas
get certified
Get a K18 crash course in 30 minutes or less and get added to our Global Salon + Stylist Locator.
go pro
