power your services with science
DAMAGE SHIELD protective conditioner
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Rated 4.7 out of 5
Smoothing conditioner detangles + protects from daily damage
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DAMAGE SHIELD pH protective shampoo
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Rated 4.6 out of 5
Back bar size of our color-safe, protective shampoo to maintain hair health + strength
View DAMAGE SHIELD protective shampoo 31.5oz (WHOLESALE) product
professional molecular repair mist 300mL
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Rated 5.0 out of 5
First step of K18 molecular repair service restores up to 99% elasticity pre-service
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prep + repair service essentials
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Rated 5.0 out of 5
PRO-exclusive set provides a strong, clean canvas for optimal service results
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next-level repair trio
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Rated 5.0 out of 5
Limited-edition giftable set keeps client’s hair healthy at home
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K18 molecular repair service
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Rated 4.9 out of 5
2-step PRO mist + mask service reverses damage in 4 minutes
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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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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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PEPTIDE PREP™ detox shampoo
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Rated 4.8 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
these aren’t models. these are our K18 coworkers.
Discover the routines powering universal hair health.
the molecular repair system
exclusive tools
free shipping on $125+ orders
real support
future now initiative
We're committed to celebrating hair health + happiness, pioneering scientific innovation, and advocating for brighter futures through ongoing partnership with organizations working towards a shared vision.
The Future Now Initiative is our way of investing back into communities with the same commitment to innovation and radial care.
The Future Now Initiative is our way of investing back into communities with the same commitment to innovation and radial care.
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
see molecular repair in action
Reverse damage before and after services, so you can realize your vision on stronger, more resilient hair.
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
biomimetics 101
We like to think of beauty and biology as synonymous. By understanding this relationship and harnessing the power of nature to inform the best way... 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
