build your K18 routine
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
damage repair starter set
Rated 5.0 out of 5
limited-time set to reset, repair + smooth
View damage repair starter set product
K18 molecular repair hair oil
Rated 4.7 out of 5
Weightless oil that strengthens, repairs damage + reduces frizz
View Molecular Repair Hair Oil product
DAMAGE SHIELD protective conditioner
Rated 4.6 out of 5
Nourishing conditioner shields hair from daily damage
View DAMAGE SHIELD protective conditioner 8.5oz product
DAMAGE SHIELD pH protective shampoo
Rated 4.6 out of 5
Color-safe protective shampoo maintains hair health + strength
View DAMAGE SHIELD protective shampoo 8.5oz product
repair + protect minis
Rated 4.6 out of 5
Limited-time mini routines for healthy hair, every day.
View repair + protect minis 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
alix earle’s favorite dry shampoo for odor + oily hair
the K18 difference
Feel what’s possible with fewer steps, less waste + less time.
healthier hair with every use
Reverse damage in 4 minutes with our breakthrough K18 molecular repair technology.
how molecular repair compares
sofia's molecular repair essentials
Shop the biotech-backed formulas powering Sofia Richie Grainge's shiny, healthy hair.
the science behind healthy hair
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 MoreMyth 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 MoreBiomimetics 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 MoreMyth 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 MoreMyth 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 Morereal people. real results.
Discover the K18 routines our coworkers use for universal hair health.
EXPLORE REAL RESULTS
future now initiative
Our way of investing back into communities with the same commitment to innovation and radical care.
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your plastic net-zero purchase = less waste
Every K18 purchase helps us stop ocean plastic in collaboration with Plastic Bank.
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we're on Instagram too
Get hair inspo + tag us with your #k18results.
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