All Products
bestseller
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full-size leave-in molecular repair hair mask
Rated 4.7 out of 5 stars
8,452 Reviews
4-minute leave-in treatment to reverse hair damage
20% off with code SAVE20
20% off with code SAVE20
new
HeatBounce conditioning heat protectant
Rated 4.8 out of 5 stars
421 Reviews
The future of heat protection
20% off with code SAVE20
20% off with code SAVE20
new
clean streak minis
Rated 4.7 out of 5 stars
909 Reviews
Limited-edition 3-step mini set cleans, protects + refreshes all hair types.
20% off with code SAVE20
20% off with code SAVE20
new
healthy volume minis
Rated 4.7 out of 5 stars
4,844 Reviews
Limited-edition holiday set creates strong, bouncy hair for everyone
20% off with code SAVE20
20% off with code SAVE20
repair + protect minis
Rated 4.8 out of 5 stars
134 Reviews
mini biotech-powered routines repair + protect against damage.
20% off with code SAVE20
20% off with code SAVE20
ultimate reset + repair duo
Rated 4.7 out of 5 stars
4,887 Reviews
Bestsellers maximize damage repair in 2 easy steps
20% off with code SAVE20
20% off with code SAVE20
limited-edition
new
K18 x Future Society leave-in molecular hair mask
Rated 4.8 out of 5 stars
12 Reviews
Bestselling mask scented with Floating Forest biotech fragrance
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
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mini leave-in molecular repair hair mask
Rated 4.7 out of 5 stars
8,452 Reviews
4-minute leave-in treatment to reverse hair damage
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
mini AstroLift™ reparative volume spray
Rated 4.6 out of 5 stars
311 Reviews
Interdimensional biotech reverses bounce-depleting damage for 2-day hold, on the go
20% off with code SAVE20
20% off with code SAVE20
AstroLift™ reparative volume spray
Rated 4.6 out of 5 stars
311 Reviews
Interdimensional biotech reverses bounce-depleting damage for 2-day hold
20% off with code SAVE20
20% off with code SAVE20
PEPTIDE PREP™ detox shampoo
Rated 4.9 out of 5 stars
565 Reviews
Color-safe, non-stripping clarifying shampoo with the K18PEPTIDE™
20% off with code SAVE20
20% off with code SAVE20
K18 molecular repair hair oil
Rated 4.8 out of 5 stars
868 Reviews
Weightless oil that strengthens, repairs damage + reduces frizz
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
mini molecular repair hair oil
Rated 4.8 out of 5 stars
868 Reviews
Weightless oil that strengthens, repairs damage + reduces frizz
20% off with code SAVE20
20% off with code SAVE20
DAMAGE SHIELD protective conditioner
Rated 4.8 out of 5 stars
450 Reviews
Color-safe protective conditioner maintains hair health + strength
20% off with code SAVE20
20% off with code SAVE20
DAMAGE SHIELD pH protective shampoo
Rated 4.7 out of 5 stars
433 Reviews
Color-safe protective shampoo maintains hair health + strength
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
mini PEPTIDE PREP™ detox shampoo
Rated 4.9 out of 5 stars
565 Reviews
Color-safe, non-stripping clarifying shampoo with the K18PEPTIDE™
20% off with code SAVE20
20% off with code SAVE20
bestseller
AirWash™ dry shampoo
Rated 4.6 out of 5 stars
555 Reviews
Revolutionary dry shampoo for a fresh hair + scalp—even after your toughest workout
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
mini AirWash™ dry shampoo
Rated 4.6 out of 5 stars
555 Reviews
Revolutionary dry shampoo for a fresh hair + scalp—even after your toughest workout
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
mini DAMAGE SHIELD protective conditioner
OUT OF STOCK
Rated 4.8 out of 5 stars
450 Reviews
Nourishing conditioner shields hair from daily damage
20% off with code SAVE20
20% off with code SAVE20
tsa-approved
mini DAMAGE SHIELD pH protective shampoo
Rated 4.7 out of 5 stars
433 Reviews
Color-safe protective shampoo maintains hair health + strength
20% off with code SAVE20
20% off with code SAVE20
excluded from sales
bestseller
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About the Collection
K18 haircare uses biotech + biomimetics to unlock new and lasting solutions to solve hair concerns with patented tech, problems that traditional cosmetic chemistry has only covered up. Using biotech, we recreate in the lab exactly what all hair types need to stay soft, strong, and bouncy—nothing more, nothing less—for optimal effectiveness in fewer steps, with fewer ingredients, and in less time. With the right technology, everyone can have their healthiest hair.
K18 makes the impossible possible.
K18PEPTIDE™ is a biotech-developed peptide that mimics hair’s structure to reverse damage by reconnecting polypeptide chains and disulfide bonds broken during damage from bleach + color, chemical services, and heat*
*www.k18hair.com/pages/disclaimers
Biomimetics is a fancy way of saying “learning from and mimicking nature.” By mimicking the natural structure and molecular makeup of keratin proteins, the K18PEPTIDE™ is the perfect puzzle piece to connect broken keratin chains to renew strength + elasticity.
K18 molecular repair, PEPTIDE PREP™ detox shampoo, and DAMAGE SHIELD shampoo + conditioner are formulated with the K18PEPTIDE™. In our molecular repair products, the peptide works at the innermost layers to reverse hair damage. In our PEPTIDE PREP™ detox shampoo, and DAMAGE SHIELD shampoo + conditioner, the peptide helps reduce protein loss to help keep hair feeling healthy and strong.
Parabens, Sulfates, Silicones, Phthalates, Sodium Chloride, Artificial colors, Formaldehyde and formaldehyde donors.
