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products
how oxidative stress affects hair health, graying & shedding
Everything from UV exposure, pollution, psychological stress, and hormonal ch...
how oxidative stress affects hair health, graying & shedding
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hair science
Why Isn’t Your Clients’ Hair Growing?
The science of the growth cycle and the surprising way it impacts hair length.
Why Isn’t Your Clients’ Hair Growing?
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products
What Does Purple Shampoo Do To Gray Hair?
Plus, how TripleBright uniquely brings out the best in all silvery tones with...
What Does Purple Shampoo Do To Gray Hair?
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products
How to Use K18REPAIR™ + TripleBright Together
Deliver soft, strong, bright blonde with every lightening service.
How to Use K18REPAIR™ + TripleBright Together
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products
Top TripleBright FAQs
Answers to your most asked purple shampoo questions for brighter, longer-last...
Top TripleBright FAQs
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products
how to retail TripleBright purple shampoo?
It’s more than a purple shampoo—so here’s exactly how to talk about it, with ...
how to retail TripleBright purple shampoo?
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products
How to use TripleBright in your services
The PRO guide to brighter, longer-lasting blonde for every highlighted + lift...
How to use TripleBright in your services
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products
Meet TripleBright Oxidation Defense Purple Shampoo
A breakthrough for brighter, longer-lasting blonde.
Meet TripleBright Oxidation Defense Purple Shampoo
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people
Why You Can’t Fake Healthy Hair (But You Can Biohack It)
How K18 global ambassador, stylist + hair longevity expert Tom Smith is rewri...
Why You Can’t Fake Healthy Hair (But You Can Biohack It)
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products
what does oxidation do to your blonde?
How it happens, why it matters + what could be fading your color faster (plus...
what does oxidation do to your blonde?
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hair science
what does it mean to “click in” to hair’s keratin structure?
Everything you need to know, straight from K18’s Senior Hair Fiber and Measur...
what does it mean to “click in” to hair’s keratin structure?
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people
helping cancer patients keep their hair + sense of self
Why K18 is excited to donate $100,000 to HairToStay, the non-profit that took...
helping cancer patients keep their hair + sense of self
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