K18 Is for Everyone
Biology-first haircare designed to work for every hair type, color, texture + style.
K18 lets biology lead the way in everything we do, because your body already knows exactly what it needs to thrive. Inspired by hair’s own unique structure, patented K18PEPTIDE™ was designed to penetrate and reverse damage at the molecular level in just 4 minutes*.
That’s because true hair health goes deep, where all hair types and textures are the same—hair’s keratin structures. These complex structures are where it all starts: hair’s strength, elasticity, and integrity. It’s also where damage makes the biggest impact. Because of this biology-first approach, every K18 product delivers soft, strong, smooth, bouncy hair for everyone.
Ahead of the holiday season, we’ve assembled limited-edition, biotech-powered mini routines so that everyone can have hair like new* through every cut, color + style they want to do (and you, too!).
meet this year’s limited-edition kits
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healthy volume mini kit
This biotech-powered duo repairs damage (a root cause of volume loss) and delivers healthy, lasting bounce in 2 steps for all hair types.
It includes:
molecular repair leave-in mask
Our bestselling leave-in molecular repair hair mask repairs damage from bleach + color, chemical services, and heat* in 4 minutes for strong, soft, smooth, bouncy hair.
AstroLift™ reparative volume spray
Reverses bounce-depleting damage for 2 days of touchable volume + bounce*. Watch it weightlessly lift all hair types—especially fine, fragile, aging, and breakage-prone hair.
clean streak mini kit
The ultimate biotech-powered routine for every wash and non-wash day, this trio is designed to deeply cleanse, protect from damage, maintain hair health, and improve smoothness + shine.
It includes:
damage shield pH protective shampoo
Certified microbiome-friendly by MyMicrobiome Standard
91% said hair looks healthier, smoother + does not feel weighed down*
damage shield protective conditioner
Clinically proven to provide conditioning protection against damage from UV rays, mechanical styling, and environmental aggressors for up to 3 days*
Clinically eliminates odors, reduces oil + keeps working for up to 3 days*
It’s easy to slip into a more-is-more approach this time of year, but at K18, we’ve always been champions of doing more with less 365 days a year. This holiday season, we invite you to try this less-is-more approach: less wrapping paper, less fuss, less waste, and less filler products and ingredients.
And this year’s limited-edition kits are equipped with highly concentrated, ultra-effective formulas to gift (or keep—we won’t tell).
*k18hair.com/disclaimers