K18 Hair Care Blog
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May 14, 2026
/ featured, products
How to Keep Your Blonde Soft, Strong + Bouncy
The biotech-powered duo for blonde like new, hair like new.*
May 14, 2026
/ featured, products
How to Keep Your Blonde Soft, Strong + Bouncy
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August 07, 2026 / products
why is your hair aging faster than you?
The culprit may be oxidative stress.
about why is your hair aging faster than you?
July 29, 2026 / products
when is gray hair considered premature?
When (and how) we go gray isn't just down to our DNA
about when is gray hair considered premature?
July 23, 2026 / products
is your hair growing less or shedding more?
Why your scalp + follicles matter more than you think.
about is your hair growing less or shedding more?
June 24, 2026 / products
Attention Brides! How to Get Soft, Strong, Bouncy Hair for the Big Day
Less is more when it comes to biotech-powered bridal prep.
about Attention Brides! How to Get Soft, Strong, Bouncy Hair for the Big Day
June 12, 2026 / hair science
Why Isn’t Your Hair Growing?
The science of the growth cycle and the surprising way it impacts your length.
about Why Isn’t Your Hair Growing?
June 10, 2026 / products
What Does Purple Shampoo Do To Gray Hair?
Plus, how TripleBright uniquely brings out the best in all silvery tones with...
about What Does Purple Shampoo Do To Gray Hair?
May 14, 2026 / featured, products
How to Keep Your Blonde Soft, Strong + Bouncy
The biotech-powered duo for blonde like new, hair like new.*
about How to Keep Your Blonde Soft, Strong + Bouncy
April 30, 2026 / products
Top TripleBright FAQs
Answers to your most asked purple shampoo questions for brighter, longer-las...
April 23, 2026
what happens to blonde hair during the summer?
Plus, how to prevent brass and maintain that fresh-from-salon look with K18 t...
about what happens to blonde hair during the summer?
April 22, 2026 / products
how can you make your bright salon blonde last?
Exactly what to ask your stylist for (and how to maintain your results at hom...
about how can you make your bright salon blonde last?
March 27, 2026 / products
Meet TripleBright Oxidation Defense Purple Shampoo
A breakthrough for brighter, longer-lasting blonde.
about Meet TripleBright Oxidation Defense Purple Shampoo
March 24, 2026 / 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...
about Why You Can’t Fake Healthy Hair (But You Can Biohack It)
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