power your lineup with molecular repair
damage control duo
Rated 4.9 out of 5
Molecular repair set to reverse damage + reduce frizz
View damage control duo product
next-level repair trio
Rated 5.0 out of 5
Limited-edition giftable set that keeps hair healthy
View next-level repair trio product
full-size leave-in molecular repair hair mask
Rated 4.6 out of 5
4-minute leave-in treatment to reverse hair damage
View Full-Size Leave-In Molecular Repair Hair Mask 50mL product
molecular repair hair oil
Rated 4.8 out of 5
Weightless oil that strengthens, repairs damage + reduces frizz
View Molecular Repair Hair Oil product
PEPTIDE PREP™ detox shampoo
Rated 4.8 out of 5
Color-safe, non-stripping clarifying shampoo with the K18PEPTIDE™
View PEPTIDE PREP™ detox shampoo 8.5oz product
PEPTIDE PREP™ pH maintenance shampoo
Rated 4.6 out of 5
Color-safe, pH-optimized cleansing shampoo formulated with K18PEPTIDE™
View PEPTIDE PREP™ pH maintenance shampoo 8.5oz product
these aren’t models. these are our K18 coworkers.
Discover the routines powering universal hair health.
the experts know
Groundbreaking PRO stylists, scientists + beauty experts have unlocked new levels of expression with K18 molecular repair.
sofia's science-backed essentials
Get the molecular repair must-haves powering Sofia Richie Grainge's shiny, healthy hair.
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.
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
The K18 leave-in molecular repair hair mask delivers lasting + progressive results, for healthier hair with each use.
the perks of molecular repair
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... Read More
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... Read 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 ... Read 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 ... Read 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... Read Morethe community
You're unlocking next-level expression with K18. We love to see it @k18hair.
try K18 in salon
Get next-level repair with a K18 Professional Treatment from a certified stylist.
