Rakuten Logo
Extra Cash Back
Hot Deals
In-Store
Travel
Clothing
Holiday Gifts
Refer & Earn $50+
Help
Rakuten coupons and Cash Back

Top stores selling K18

FragranceNet.com logo
FragranceNet.com
2% Cash Back
Kohl's logo
Kohl's
2% Cash Back
Groupon logo
Groupon
2% Cash Back
Beauty Plus Salon logo
Beauty Plus Salon
3% Cash Back
Sephora logo
Sephora
2% Cash Back
Selfridges US logo
Selfridges US
4% Cash Backwas 2%
Harrods logo
Harrods
2% Cash Back
Sam's Club logo
Sam's Club
Up to 4% Cash Back
ShopSimon (formerly Shop Premium Outlets) logo
ShopSimon (formerly Shop Premium Outlets)
2.5% Cash Back
woot! logo
woot!
Up to 6% Cash Back
Trending K18 products
K18 Biomimetic Hairscience Leave-In Molecular Repair Hair Mask 1.7 oz/ 50 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Leave-In Molecular Repair Hair Mask 1.7 oz/ 50 mL
2% Cash Back
$75.00
Sephora
K18 Damage Shield Shampoo 31.5 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Damage Shield Shampoo 31.5 oz Womens K18 Biomimetic
3% Cash Back
$110.00
Beauty Plus Salon
K18 Biomimetic Hairscience Molecular Repair Hair Oil 1 oz / 30 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Molecular Repair Hair Oil 1 oz / 30 mL
2% Cash Back
$65.00
Sephora
K18 Damage Shield Shampoo 8.5 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Damage Shield Shampoo 8.5 oz Womens K18 Biomimetic
3% Cash Back
$32.40$36.00
Beauty Plus Salon
K18 Biomimetic Hairscience AirWash Dry Shampoo 4 oz/118 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience AirWash Dry Shampoo 4 oz/118 mL
2% Cash Back
$48.00
Sephora
K18 Biomimetic Professional Molecular Repair Hair Mist 10 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Biomimetic Professional Molecular Repair Hair Mist 10 oz Womens K18 Biomimetic
3% Cash Back
$207.00$230.00
Beauty Plus Salon
K18 Peptide Prep Pro Chelating Hair Complex 10 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Peptide Prep Pro Chelating Hair Complex 10 oz Womens K18 Biomimetic
3% Cash Back
$130.00
Beauty Plus Salon
K18 Pro Peptide Starter Kit Hair Repair Mask 5oz & 2 Hair Repair Mist Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Pro Peptide Starter Kit Hair Repair Mask 5oz & 2 Hair Repair Mist Womens K18 Biomimetic
3% Cash Back
$261.00$320.00
Beauty Plus Salon
K18 Biomimetic Hairscience Mini AirWash Dry Shampoo 1.6 oz / 47 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Mini AirWash Dry Shampoo 1.6 oz / 47 mL
2% Cash Back
$24.00
Sephora
K18 by K18 LEAVE-IN MOLECULAR REPAIR HAIR MASK 0.5 OZ for UNISEX - Rakuten coupons and Cash Back
K18 by K18 LEAVE-IN MOLECULAR REPAIR HAIR MASK 0.5 OZ for UNISEX
2% Cash Back
$25.19
FragranceNet.com
K18 Damage Shield Conditioner 31.5 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Damage Shield Conditioner 31.5 oz Womens K18 Biomimetic
3% Cash Back
$110.00
Beauty Plus Salon
K18 Biomimetic Peptide Prep Detox Shampoo 8.5 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Biomimetic Peptide Prep Detox Shampoo 8.5 oz Womens K18 Biomimetic
3% Cash Back
$34.20$39.00
Beauty Plus Salon
K18 by K18 PROFESSIONAL MOLECULAR REPAIR HAIR MIST 5 OZ for UNISEX - Rakuten coupons and Cash Back
K18 by K18 PROFESSIONAL MOLECULAR REPAIR HAIR MIST 5 OZ for UNISEX
2% Cash Back
$76.99
FragranceNet.com
K18 Air Wash Dry Shampoo 4 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Air Wash Dry Shampoo 4 oz Womens K18 Biomimetic
3% Cash Back
$46.99$48.00
Beauty Plus Salon
K18 5Oz Pro Repair Mask - Rakuten coupons and Cash Back
K18 5Oz Pro Repair Mask
2% Cash Back
$69.99$112.00
Gilt
K18 Biomimetic Hairscience DAMAGE SHIELD Protective Conditioner 8.5 oz / 250 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience DAMAGE SHIELD Protective Conditioner 8.5 oz / 250 mL
2% Cash Back
$39.00
Sephora
K18 Biomimetic Hairscience Healthy Volume Minis Hair Gift Set - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Healthy Volume Minis Hair Gift Set
2% Cash Back
$35.00$40.00
Sephora
K18 Biomimetic Hairscience Clean Streak Minis Hair Gift Set - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Clean Streak Minis Hair Gift Set
2% Cash Back
$35.00$40.00
Sephora
K18 Biomimetic Hairscience PEPTIDE PREP Clarifying Detox Shampoo 8.5 oz / 250 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience PEPTIDE PREP Clarifying Detox Shampoo 8.5 oz / 250 mL
2% Cash Back
$39.00
Sephora
K18 Future Faves Mini Kit Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Future Faves Mini Kit Womens K18 Biomimetic
3% Cash Back
$46.80$52.00
Beauty Plus Salon
K18 Biomimetic Hairscience Mini Molecular Repair Hair Oil 0.34 oz / 10 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Mini Molecular Repair Hair Oil 0.34 oz / 10 mL
2% Cash Back
$27.00
Sephora
K18 Biomimetic Hairscience DAMAGE SHIELD pH Protective Shampoo 8.5 oz - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience DAMAGE SHIELD pH Protective Shampoo 8.5 oz
2% Cash Back
$39.00
Sephora
K18 Biomimetic Hairscience Repair + Protect Minis Kit - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Repair + Protect Minis Kit
2% Cash Back
$75.00
Sephora
K18 Biomimetic Hairscience HeatBounce Leave-In Conditioner Heat Protectant 4oz/118ml - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience HeatBounce Leave-In Conditioner Heat Protectant 4oz/118ml
2% Cash Back
$48.00
Sephora
K18 Leave-In Molecular Repair Hair Mask - Rakuten coupons and Cash Back
K18 Leave-In Molecular Repair Hair Mask
2% Cash Back
$40.00
Harrods
K18 Biomimetic Hairscience Mini AstroLift Reparative Volume Spray 1.46 fl oz/47 mL - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience Mini AstroLift Reparative Volume Spray 1.46 fl oz/47 mL
2% Cash Back
$22.00
Sephora
K18 Damage Shield Shampoo 1.8 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Damage Shield Shampoo 1.8 oz Womens K18 Biomimetic
3% Cash Back
$12.60$14.00
Beauty Plus Salon
K18 Biomimetic Hairscience AstroLift Reparative Volume Spray 4 oz / 118 ml - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience AstroLift Reparative Volume Spray 4 oz / 118 ml
2% Cash Back
$46.00
Sephora
K18 Leave-In Molecular Repair Hair Mask, Size: 1.7 FL Oz, None - Rakuten coupons and Cash Back
K18 Leave-In Molecular Repair Hair Mask, Size: 1.7 FL Oz, None
2% Cash Back
$75.00
Kohl's
K18 Unisex 1.7Oz Leave-In Molecular Repair Hair Mask - Rakuten coupons and Cash Back
K18 Unisex 1.7Oz Leave-In Molecular Repair Hair Mask
2% Cash Back
$62.99$75.00
Gilt
K18 AstroLift Reparative Volume Spray 4 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 AstroLift Reparative Volume Spray 4 oz Womens K18 Biomimetic
3% Cash Back
$41.40$46.00
Beauty Plus Salon
K18 50Ml Leave-In Repair Mask - Rakuten coupons and Cash Back
K18 50Ml Leave-In Repair Mask
2% Cash Back
$57.99$75.00
Gilt
K18 Molecular Repair Hair Oil 1 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Molecular Repair Hair Oil 1 oz Womens K18 Biomimetic
3% Cash Back
$58.50$65.00
Beauty Plus Salon
K18 Leave-In Molecular Repair Hair Mask - Rakuten coupons and Cash Back
K18 Leave-In Molecular Repair Hair Mask
2% Cash Back
$92.00
Harrods
K18 2Pk Leave-In Repair Mask - Rakuten coupons and Cash Back
K18 2Pk Leave-In Repair Mask
2% Cash Back
$99.99$150.00
Gilt
K18 Molecular Repair Hair Oil - Rakuten coupons and Cash Back
K18 Molecular Repair Hair Oil
2% Cash Back
$36.00
Harrods
K18 Molecular Repair Hair Oil - Rakuten coupons and Cash Back
K18 Molecular Repair Hair Oil
2% Cash Back
$85.00
Harrods
K18 Biomimetic Hairscience HeatBounce Conditioning Heat Protectant 4 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience HeatBounce Conditioning Heat Protectant 4 oz Womens K18 Biomimetic
3% Cash Back
$43.20$48.00
Beauty Plus Salon
K18 Leave-In Molecular Repair Hair Mask, Size: 3.4 FL Oz, None - Rakuten coupons and Cash Back
K18 Leave-In Molecular Repair Hair Mask, Size: 3.4 FL Oz, None
2% Cash Back
$120.00
Kohl's
K18 Biomimetic Professional Molecular Repair Hair Mist 5 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Biomimetic Professional Molecular Repair Hair Mist 5 oz Womens K18 Biomimetic
3% Cash Back
$100.80$112.00
Beauty Plus Salon
K18 Damage Shield pH Protective Shampoo - Rakuten coupons and Cash Back
K18 Damage Shield pH Protective Shampoo
2% Cash Back
$52.00
Harrods
K18 Airwash Dry Shampoo - Rakuten coupons and Cash Back
K18 Airwash Dry Shampoo
2% Cash Back
$63.00
Harrods
K18 by K18 PROFESSIONAL MOLECULAR REPAIR HAIR MIST 10 OZ for UNISEX - Rakuten coupons and Cash Back
K18 by K18 PROFESSIONAL MOLECULAR REPAIR HAIR MIST 10 OZ for UNISEX
2% Cash Back
$144.19
FragranceNet.com
K18 Unisex 5.07Oz Leave-In Molecular Repair Hair Mask - Rakuten coupons and Cash Back
K18 Unisex 5.07Oz Leave-In Molecular Repair Hair Mask
2% Cash Back
$75.99$120.00
Gilt
K18 Damage Shield Conditioner 8.5 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Damage Shield Conditioner 8.5 oz Womens K18 Biomimetic
3% Cash Back
$32.40$36.00
Beauty Plus Salon
K18 AstroLift Reparative Volume Spray - Rakuten coupons and Cash Back
K18 AstroLift Reparative Volume Spray
2% Cash Back
$58.00
Harrods
K18 Biomimetic Hairscience HeatBounce Conditioning Heat Protectant 8 oz Womens K18 Biomimetic - Rakuten coupons and Cash Back
K18 Biomimetic Hairscience HeatBounce Conditioning Heat Protectant 8 oz Womens K18 Biomimetic
3% Cash Back
$72.00$80.00
Beauty Plus Salon
K18 Mini HeatBounce Leave-In Conditioner Heat Protectant, Size: 1.6 FL Oz, None - Rakuten coupons and Cash Back
K18 Mini HeatBounce Leave-In Conditioner Heat Protectant, Size: 1.6 FL Oz, None
2% Cash Back
$24.00
Kohl's
how rakuten works

Best Health & Beauty coupons

T3 - Rakuten coupons and Cash Back
Aire Collection: Haircare meets tech. Shop now.
2.5% Cash Back
Shop
Divi - Rakuten coupons and Cash Back
10% off Orders
2% Cash Back
Get Code
The Ayurveda Experience - Rakuten coupons and Cash Back
Brand New, Soft-O-More Shampoo The Secret to Bouncy, Glossy, Nourished Hair Now: $29.80
7.5% Cash Backwas 2%
Shop
Shu Uemura Art of Hair - Rakuten coupons and Cash Back
Shop Special Offers.
3% Cash Back
Shop
L’ANZA - Rakuten coupons and Cash Back
10% off your first order.
5% Cash Backwas 3%
Get Code
Happy Head - Rakuten coupons and Cash Back
$20 off Hair Growth Serum with 6-Month Subscription
$15 Cash Backwas $5
Get Code
Odele - Rakuten coupons and Cash Back
Shop Bulk 32oz Bottles from $29.
3% Cash Back
Shop
Beautyforever - Rakuten coupons and Cash Back
Save $40 on Orders $249.
6% Cash Back
Get Code
Rakuten coupons and Cash Back

Explore top categories

Beauty & Wellness - Rakuten coupon and Cash Back
Beauty & Wellness
Bed & Bath - Rakuten coupon and Cash Back
Bed & Bath
Clothing & Accessories - Rakuten coupon and Cash Back
Clothing & Accessories
Shoes - Rakuten coupon and Cash Back
Shoes
Accessories - Rakuten coupon and Cash Back
Accessories
Sports, Outdoors & Fitness - Rakuten coupon and Cash Back
Sports, Outdoors & Fitness
Subscription Boxes & Services - Rakuten coupon and Cash Back
Subscription Boxes & Services
Restaurants & Dining - Rakuten coupon and Cash Back
Restaurants & Dining
Download Our App
  • Rakuten Mobile Apps
  • Available for iOS and Android
Partner Sites
About
Stores & Brands
Seasonal Pages
Popular Categories
Tools & Services
The Rakuten American Express® Card is issued by First Electronic Bank, pursuant to a license from American Express. American Express is a registered trademark of American Express. The Rakuten American Express® Card is powered by Imprint Payments, Inc.
Advertising Disclosure
© 2025 Ebates Performance Marketing Inc., d/b/a Rakuten Rewards
Rakuten Viki
Rakuten Viber
Rakuten Kobo
Rakuten Travel
More Services
About Rakuten