Brand
K18 Hair
Every K18 Hair pick our editors have signed off on.
K18 Hair
Jumbo Leave-In Molecular Repair Hair Mask 100mL
A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to rep air damage fro
K18 Hair
TripleBright oxidation defense purple shampoo
The first triple-action purple shampoo to remove metals + minerals, neutralize existing brass, and defend against future brassiness for blonde like new, hair li
K18 Hair
Jumbo DAMAGE SHIELD protective conditioner
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weigh
K18 Hair
Jumbo DAMAGE SHIELD protective shampoo
A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimi
K18 Hair
Jumbo PEPTIDE PREP™ detox shampoo
A color-safe, non-stripping clarifying shampoo with the K18PEPTIDE™ to gently but effectively remove 99% product buildup*, 95% sebum* + 76% copper* for detoxifi
K18 Hair
HeatBounce 1.6 oz
A discovery-sized version of our leave-in conditioning heat protectant detangles, softens, and delivers deeper heat protection than ever before*—for 85% less br
K18 Hair
K18 x Future Society Limited Edition Scent Mask
A limited-edition K18 x Future Society collab. Biology-first molecular hair repair mask scented with fragrance inspired by extinct flower DNA.
K18 Hair
HeatBounce conditioning heat protectant 4oz
This leave-in conditioning heat protectant detangles, softens, and delivers deeper heat protection than ever before*—for 85% less breakage after blow drying ⁷ .
K18 Hair
AstroLift™ reparative volume spray 1.6oz
A mini version of our lightweight, buildable volume spray, powered by K18PEPTIDE™ to reverse bounce-depleting damage that can impact all hair types—especially f
K18 Hair
DAMAGE SHIELD protective shampoo 8.5oz
A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimi
K18 Hair
Molecular Repair Hair Oil
This biotech-engineered weightless oil works on all hair types to strengthen, repair damage, reduce frizz at two levels of the hair fiber, and improve shine.
K18 Hair
AstroLift™ reparative volume spray 4oz
A lightweight, buildable volume spray, powered by K18PEPTIDE™ to reverse bounce-depleting damage that can impact all hair types—especially fine, fragile, aging
K18 Hair
Mini AirWash™ dry shampoo
High-performance, futuristic clean. Non-aerosol dry shampoo with patented odorBIND™ smart-release biotechnology. Clinically eliminates odors, reduces oil + keep
K18 Hair
mini DAMAGE SHIELD protective shampoo 1.8oz
A color-safe, pH-optimized shampoo with the patented K18PEPTIDE™ to effectively cleanse while maintaining hair health and protecting hair from damage. pH-optimi
K18 Hair
AirWash™ dry shampoo 4oz
High-performance, futuristic clean. Non-aerosol dry shampoo with patented odorBIND™ smart-release biotechnology. Clinically eliminates odors, reduces oil + keep
K18 Hair
mini DAMAGE SHIELD protective conditioner 1.8oz
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weigh
K18 Hair
DAMAGE SHIELD protective conditioner 8.5oz
A nourishing, protective conditioner that helps shield hair from daily damage to help maintain hair health and improve smoothness and shine. Engineered to weigh
K18 Hair
mini PEPTIDE PREP™ detox shampoo 1.8oz
A color-safe, non-stripping clarifying shampoo with the K18PEPTIDE™ to gently but effectively remove 99% product buildup*, 95% sebum* + 76% copper* for detoxifi
K18 Hair
Mini molecular repair hair oil
This biotech-engineered weightless oil works on all hair types to strengthen, repair damage, reduce frizz at two levels of the hair fiber, and improve shine.
K18 Hair
PEPTIDE PREP™ detox shampoo 8.5oz
A color-safe, non-stripping clarifying shampoo with the K18PEPTIDE™ to gently but effectively remove 99% product buildup*, 95% sebum* + 76% copper* for detoxifi
K18 Hair
Mini Leave-In Molecular Repair Hair Mask 15 mL
A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to repair damage from
K18 Hair
Full-Size Leave-In Molecular Repair Hair Mask 50mL
A leave-in treatment mask that works on the molecular level to reverse hair damage in just 4 minutes. The K18PEPTIDE™ is clinically proven to rep air damage fro