en ca

Accessibility statement Skip to content

free returns. buy with confidence

free shipping on orders $50+*

NEW

FutureIQ™ biomimetic hair longevity serum

Ignite your hair longevity journey

SHOP NOW

your healthiest hair starts here

4.8

Rated 4.8 out of 5 stars

189 Reviews

new

[FutureIQ™ biomimetic hair longevity serum](/content/products/futureiq-biomimetic-hair-longevity-serum-3oz "View FutureIQ™ biomimetic hair longevity serum"/index.html) Start reversing hair age in 3 months to reduce shedding, graying + scalp aging.

Add to bag -

Regular price $120

Regular price $0 Sale price$120

4.7

Rated 4.7 out of 5 stars

9,182 Reviews

bestseller

[full-size leave-in molecular repair hair mask](/content/products/leave-in-molecular-repair-hair-mask-50-ml "View Full-Size Leave-In Molecular Repair Hair Mask 50mL"/index.html) 4-minute leave-in treatment to reverse hair damage

Add to bag -

Regular price $75

Regular price $0 Sale price$75

4.7

Rated 4.7 out of 5 stars

9,182 Reviews

bestseller

[jumbo leave-in molecular repair hair mask](/content/products/jumbo-leave-in-molecular-repair-hair-mask-100ml "View Jumbo Leave-In Molecular Repair Hair Mask 100mL"/index.html) 4-minute leave-in treatment to reverse hair damage - now in an exclusive jumbo size

Add to bag -

Regular price $120

Regular price $0 Sale price$120

4.9

Rated 4.9 out of 5 stars

339 Reviews

[TripleBright oxidation defense purple shampoo](/content/products/triplebright-oxidation-defense-purple-shampoo "View TripleBright oxidation defense purple shampoo"/index.html) Breakthrough triple-action protection for brighter, longer-lasting blonde

Add to bag -

Regular price $39

Regular price $0 Sale price$39

4.7

Rated 4.7 out of 5 stars

656 Reviews

bestseller

[AirWash™ dry shampoo](/content/products/airwash-dry-shampoo-4oz "View AirWash™ dry shampoo 4oz"/index.html) Revolutionary dry shampoo for fresh hair + scalp—even after your toughest workout

Add to bag -

Regular price $48

Regular price $0 Sale price$48

4.7

Rated 4.7 out of 5 stars

9,182 Reviews

tsa-approved

[mini leave-in molecular repair hair mask](/content/products/leave-in-molecular-repair-hair-mask-15ml "View Mini Leave-In Molecular Repair Hair Mask 15 mL"/index.html) 4-minute leave-in treatment to reverse hair damage

Add to bag -

Regular price $29

Regular price $0 Sale price$29

4.8

Rated 4.8 out of 5 stars

1,021 Reviews

[K18 molecular repair hair oil](/content/products/molecular-repair-hair-oil "View Molecular Repair Hair Oil"/index.html) Weightless oil that strengthens, repairs damage + reduces frizz

Add to bag -

Regular price $65

Regular price $0 Sale price$65

4.8

Rated 4.8 out of 5 stars

528 Reviews

bestseller

[HeatBounce conditioning heat protectant](/content/products/heatbounce-4oz "View HeatBounce conditioning heat protectant 4oz"/index.html) The future of heat protection

Add to bag -

Regular price $48

Regular price $0 Sale price$48

4.8

Rated 4.8 out of 5 stars

513 Reviews

new

[Jumbo DAMAGE SHIELD pH protective shampoo](/content/products/jumbo-damage-shield-protective-shampoo "View Jumbo DAMAGE SHIELD protective shampoo"/index.html) Color-safe protective shampoo maintains hair health + strength - now in a jumbo size

Add to bag -

Regular price $59

Regular price $0 Sale price$59

4.9

Rated 4.9 out of 5 stars

656 Reviews

new

[Jumbo PEPTIDE PREP™ detox shampoo](/content/products/jumbo-peptide-prep-detox-shampoo "View Jumbo PEPTIDE PREP™ detox shampoo"/index.html) A color-safe, non-stripping clarifying shampoo - now in a jumbo size

Add to bag -

Regular price $59

Regular price $0 Sale price$59

real people, real results

see more #k18results

before

after

"I absolutely love this product!! You have to see it to believe it!"

- Christina Marie P.

[full-size leave-in molecular repair hair mask](/content/products/leave-in-molecular-repair-hair-mask-50-ml "https://www.k18hair.com/products/leave-in-molecular-repair-hair-mask-50-ml"/index.html)

Add to Cart

learn more

before

after

"Amazing the way it feels and the shine it provides to the hair instantly."

- Sandra M.

Add to Cart

learn more

before

after

"I’ve been using this mask for about four washes so far. I feel that my hair is getting healthier."

- Olga S.

Add to Cart

learn more

before

after

“…I had my hair chopped (it was begging for it) along with some highlights and coloring of the roots. My hair stylist used this on my hair and I absolutely loved how it made my hair feel"

- Christina Marie P.

Add to Cart

learn more

before

after

"It makes my hair so soft and weightless, I absolutely love it. Most other products leave my hair greasy and I can’t even style it, and right after washing I have to put it in the bun. It’s a nightmare! But not with K18. It makes my hair feel so luxurious, it’s like I just left the salon."

- Anastasiia T.

Add to Cart

learn more

before

after

"My hair has been a mess for years... My new hair stylist recommended K18! ... My hair looks and feels amazing with lasting results!!"

- Arnell M.

[full-size leave-in molecular repair hair mask](/content/products/leave-in-molecular-repair-hair-mask-50-ml "Full-Size Leave-In Molecular Repair Hair Mask 50mL"/index.html)

Add to Cart

learn more

before

after

"My hair was thin and unhealthy after years of highlights . After a few months of using the leave in mask, my hair is healthy and so much fuller."

- Melissa K.

Add to Cart

learn more

before

after

"I recently heavily highlighted my hair to match the salt and pepper I started growing out months prior. The first time I washed my hair it was so dry and damaged looking. The next wash was using K18 and the difference was evident! My hair looks healthy and silky again."

- Mandy R.

Add to Cart

learn more

before

after

"...My hair dresser introduced me to this and I have been using it ever since! The visible difference this made with my hair...was absolutely breathtaking. Will not go back to another shampoo ever!"

- Hannah K.