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K18

Review rating Review rating Review rating Review rating Review rating 4.3 Fact checked

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When purchasing a product, price is the consumer's primary concern. At present, K18 has 33 products for sale. K18 products range in price from $22 to $153, and the average price of all the products is about $64.55.

We found that most of the K18 products are manufactured by K18 Hair. The manufacturer provides K18 with a steady supply of products, and they have a good cooperative relationship with each other.

You can confidently purchase K18 products from the seller K18 Hair. The brand holds an average rating of 4.3, testifying to its excellent reputation.

K18 Best Sellers

Last Updated: Jan 11, 2026

K18 Mini Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat

An At-home Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat.
Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
Renews All Hair Types: K18 doesn't just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural—so it's able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time.
Back By Biotech: K18 is the world's first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.

K18 Full-Size Leave-In Molecular Hair Mask, Repairs Dry or Damaged Hair, Reverse Hair Damage from Bleach, Color, Chemical Services & Heat

An At-home Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat.
Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
Renews All Hair Types: K18 doesn't just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural—so it's able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time.
Back By Biotech: K18 is the world's first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.

K18 AirWash™ Dry Shampoo, Non-Aerosol, Balances Scalp & Controls Excess Oil Production, 4 Fl Oz

Airwash 4 Fl Oz Dry Shampoo

K18 Molecular Repair Hair Oil, Weightless Oil for Stronger, Healthier Hair, Suitable For All Hair Types, 0.34 Fl Oz

K18PEPTIDE repairs hair at a molecular level across multiple types of bonds, restoring hair health for all
works on all hair types to strengthen, repair damage & improve shine at two levels of the hair fiber
Weightless & silicone-free, this oil repairs damage that causes frizz long-term
Clinically proven damage Repair

K18 HeatBounce Conditioning Heat Protectant Spray, Lightweight Leave-In Conditioner + 450℉ (232°C) Heat Protection, Soften, Smooth + Detangle All Hair Types, 4 Fl Oz Liq

K18 Molecular Repair Hair Oil, Weightless Oil for Stronger, Healthier Hair, Suitable For All Hair Types, 1 Fl Oz

Reverses frizz-causing damage: works at the molecular level to repair damaged hair, which is more susceptible to frizz
Reduces frizz + flyaways: natural oils work on the surface of the hair to smooth the cuticle + soften without weighing hair down
Enhances shine + color vibrancy: nourished, moisturized hair reflects higher shine and boosts color dimension
To prevent further frizz-causing damage up to 450°f (232°c)
Strengthening, smoothing hair oil works on two levels of the hair fiber to fight frizz.

K18 PEPTIDE PREP™ Color-Safe Detox Clarifying Shampoo, Non-Stripping, pH-Optimized Cleanse, Removes Product Buildup, Dirt, Oils & Metals, 8.5 Fl Oz

A color-safe, non-stripping clarifying shampoo with the K18PEPTIDE to gently but effectively remove 99% product buildup, 95% sebum + 76% copper* for detoxified, refreshed hair.
Deeply cleanses hair and scalp: A non-stripping lather works to unclog hair follicles while banishing dirt, oils, silicones, and things left behind from heavy product buildup including 99% of product buildup, 95% of sebum + a 76% copper reduction* after just 1 wash.
Clears the path: Preps hair for maximum K18 Molecular Repair Leave-in Treatment results. Everything performs better on clean, clarified hair including color + chemical services, treatments, and styling products.
Creates ideal foundation for healthy hair: This color-safe formula was engineered to deliver a deeper cleanse without disrupting hair or being harsh on the scalp.

K18 Damage Shield Protective Shampoo, Reduces Frizziness & Tangles, Maintains Hair Health, 8.5 Fl Oz

Color-safe but powerful cleansing: Plant-derived surfactants deliver safe but effective high-power cleansing to break down and remove dirt + oil
Designed for damaged hair: pH-optimized formula helps prevent excess swelling of the hair cuticle during washing, which helps maintain color, improve hair health and shine, and reduce frizz
Gentle enough to use every time you cleanse: Gentle on hair AND scalp. pH-optimized formula mimics hair's natural pH, to reduce cuticle swelling and maintain hair health, and preserve the scalp microbiome
Certified microbiome-friendly formula: Removes dirt and oil without disrupting the scalp's natural protective barrier
Formulated with K18PEPTIDE: Helps reduce protein loss to keep hair feeling healthy and strong

K18 HeatBounce Conditioning Heat Protectant Spray, Lightweight Leave-In Conditioner + 450℉ (232°C) Inside-Out Heat Protection, Soften, Smooth + Detangle All Hair Types, 1.6 Fl Oz Liq

Lightweight formula conditions, softens + protects from cuticle to cortex* for 85% less breakage after blow drying*

K18 AstroLift™ Reparative Volume Spray, 2-Day Hair Thickening + Hold For Thin, Fine, Fragile Hair, Non-Sticky, Non-Crunchy, Humidity-Resistant Volumizing Spray, 1.6 Fl Oz

Repair hair damage that causes volume loss for 2.5x more all-over volume*. *k18hair.com/disclaimers
Create lifted, thicker hair from roots to ends with hair fiber volumizing blend.
Hold your bouncy hair for up to 2 days* with a non-sticky, humidity-resistant formula. *k18hair.com/disclaimers

K18 AstroLift™ Reparative Volume Spray, 2-Day Hair Thickening + Hold For Thin, Fine, Fragile Hair, Non-Sticky, Non-Crunchy, Humidity-Resistant Volumizing Spray, 4 Fl Oz

Repair hair damage that causes volume loss for 2.5x more all-over volume*. *k18hair.com/disclaimers
Create lifted, thicker hair from roots to ends with hair fiber volumizing blend.
Hold your bouncy hair for up to 2 days* with a non-sticky, humidity-resistant formula. *k18hair.com/disclaimers

K18 Damage Shield Shampoo & Conditioner, Smoothing & Protective from Environmental Stressors, Maintains Hair Health, 8.5 Fl Oz x2

Our Damage Shield color-safe, pH-optimized shampoo & conditioner effectively cleanses & protects while maintaining hair health. Our less-is-more formula delivers a superior clean without compromise
Our K18PEPTIDE repairs hair at a molecular level across multiple types of bonds, restoring hair health for all
Begin with the shampoo, massaging into the scalp. Rinse well. Follow with the conditioner, applying a small amount from mid-lengths to ends. Rinse thoroughly

K18 Damage Shield Protective Conditioner, Protects Hair from Daily Damage, Improves Strength & Shine, 8.5 Fl Oz

Defends against damage: Conditioning protection against damage from UV rays, environmental aggressors, and daily mechanical styling for up to 3 days* *Improved results in protein condition and hair breakage in simulated 3-day UV exposure *Reduction in pollution deposits in simulated pollution exposure
Maintains hair health: Fortifies hair's exterior lipid barrier to make hair more resilient and resistant to damage. K18PEPTIDE replenishes protein lost during washing
Enhances hair's natural shine: pH-optimized formula minimizes excess cuticle swelling during washing to help keep hair smooth and maximize shine.
Softens, smooths, and detangles without film-forming silicones or waxes that can build up over time and weigh hair down.
Your daily care routine: Fortify, soften, detangle + protect hair between K18 treatment mask days

K18 Damage Shield Shampoo & Conditioner, Smoothing & Protective from Environmental Stressors, Maintains Hair Health, 1.8 Fl Oz x2

Our Damage Shield color-safe, pH-optimized shampoo & conditioner effectively cleanses & protects while maintaining hair health. Our less-is-more formula delivers a superior clean without compromise
Our K18PEPTIDE repairs hair at a molecular level across multiple types of bonds, restoring hair health for all
Begin with the shampoo, massaging into the scalp. Rinse well. Follow with the conditioner, applying a small amount from mid-lengths to ends. Rinse thoroughly

K18 Repair Bundle - Leave-In Repair Hair Mask, 4-Minute Speed Treatment(50ml), and Weightless Hair Strengthening Oil (30ml)

Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
Renews All Hair Types: K18 doesn't just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
Reduces frizz + flyaways: natural oils work on the surface of the hair to smooth the cuticle + soften without weighing hair down
Enhances shine + color vibrancy: nourished, moisturized hair reflects higher shine and boosts color dimension
Strengthening, smoothing hair oil works on two levels of the hair fiber to fight frizz.

K18 Leave-In Repair Hair Mask, 4-Minute Speed Treatment, Renews Hair Damage From Color, Chemical Services Heat (1 of each 50ml & 15ml).

AN AT-HOME Leave-In Treatment infused with the patented K18Peptide that renews hair to its most youthful, healthy state. Benefits: Works to repair even the most extreme damage caused by bleach and color, chemical services, and heat.
CREATES LIKE HAIR LIKE NEW: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
RENEWS ALL HAIR TYPES: K18 doesn't just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
LASTING RESULTS THAT WON'T WASH AWAY: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural—so it's able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time.
BACK BY BIOTECH: K18 is the world's first patented biotech treatment that renews chemically damaged hair from the inside out in just 4 minutes, strength, softness, smoothness, and bounce are restored for hair that looks and feels like new.

K18 Hair Repair Kit - Hair Mask (15ml) and Detox Shampoo (8.5 oz)

Leave-In Repair Hair Mask Treatment to Repair Dry or Damaged Hair - 4 Minutes to Reverse Hair Damage from Bleach, Color, Chemical Services and Heat
K18Peptide is the patented molecular breakthrough clinically proven to reverse hair damage from: bleach + color, chemical services, and heat in just 4 minutes.
K18 PEPTIDE PREP Color Safe Detox Clarifying Shampoo -Skincare-inspired Ingredients to Nourish Hair while removing Buildup for a Clean, Healthy Hair Canvas, 8.5 fl oz
A color-safe clarifying shampoo with skincare-inspired ingredients + microdosed with the patented K18PEPTIDE to nourish hair while removing buildup for a clean, healthy hair canvas.
Swap out your regular shampoo for this power wash 1x weekly or as needed. Massage into hair + scalp to remove excess build-up. Thoroughly rinse. Repeat as needed.

K18 Damage Control Trio, Damage Shield Shampoo + Conditioner + 4-Minute Molecular Repair Hair Mask, Lasting Damage Repair, Color-Safe Shampoo

Reverses hair damage in 4 minutes*
Color-safe, pH-optimized shampoo
Protect from 3 types of damage for up to 3 days

K18 Detox & Repair Bundle - Leave-In Repair Hair Mask, 4-Minute Speed Treatment(15ml), Color Safe Detox Clarifying Shampoo (8.5oz) to remove build up, and Weightless Hair Strengthening Oil (30ml)

Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
Renews All Hair Types: K18 doesn't just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
Reduces frizz + flyaways: natural oils work on the surface of the hair to smooth the cuticle + soften without weighing hair down
Strengthening, smoothing hair oil works on two levels of the hair fiber to fight frizz.
Creates ideal foundation for healthy hair: This color-safe formula was engineered to deliver a deeper cleanse without disrupting hair or being harsh on the scalp.

K18 Repair Bundle - Leave-In Repair Hair Mask, 4-Minute Speed Treatment(15ml), and Weightless Hair Strengthening Oil (30ml)

Creates Like Hair Like New: Traveling into the inner-most layers of hair to reach the core polypeptide chains our revolutionary K18Peptide is just the right size and makeup to reconnect broken chains responsible for hair strength and elasticity.
Renews All Hair Types: K18 doesn't just hide damage or patch it up leaving hair brittle, it transforms even the most extreme damage into hair that looks and feels like new. K18 works on all hair types, all generations, all types of expression.
Lasting Results That Won't Wash Away: The K18Peptide mimics the natural building blocks of hair and therefore is recognized as natural—so it's able to integrate itself with the keratin chains to rebuild and restore hair immediately and over time.
To prevent further frizz-causing damage up to 450°f (232°c)
Strengthening, smoothing hair oil works on two levels of the hair fiber to fight frizz.

K18 FAQs

Yes, K18 is a legitmate brand on Amazon. After conducting a comprehensive analysis of 14,531 customer reviews for K18 products on Amazon, we have determined its average rating. Offering great value and satisfying quality, K18 has achieved a respectable rating of 4.3 from many customers, showing that its products meet customer expectations. While there may have been minor issues reported occasionally, overall, it is safe to make purchases from K18 on Amazon.

Amazon has strict policies and safety measures in place that ensure only legitimate sellers and products are allowed on their platform. It also provides a secure payment gateway and offers buyer protection, ensuring your transaction is safe. In the unlikely event that there's an issue with your purchase, Amazon's customer service and return policies are designed to protect your interests.

If you're interested in K18 and want to find more K18 products, you can follow the steps below:

  1. Go back to FindThisBest's homepage.
  2. Type K18 in the search box and hit Enter to see the search results.
  3. Find and click the correct K18 to go to the new page.
  4. Select the products you want in the K18 buying guide, and take a glance at the prices and features of the products.
  5. View the products interest you on Amazon to read the customer reviews and check the ratings. Besides, you can hit the "brand" to find more K18 products.

We analyze millions of K18 products reviews and customer reviews to recommend the best picks for most consumers. We have a professional team with decades of experience to test the products, which can help ensure that we provide our readers with accurate advice and best recommendations.

There are usually 5 to 10 products in a brand buying guide. We found 33 K18 products for sale, 20 of which were analyzed in detail and recommended to customers.

  1. Go to the K18 page.
  2. Select the product you want in the K18 buying guide, and then view the product on Amazon. For example, if you are interested in the top 1 product K18 Mini Leave-In Molecular Hair Mask, Repairs Dry..., you can view it on Amazon page.
  3. Place your order on Amazon.

Most of the K18 products are produced by K18 Hair. The manufacturer provides K18 with a steady supply of products, and they have a good cooperative relationship with each other.

Our mission is to provide you with the most up-to-date and objective information about the K18 products, helping you make more informed buying decisions. We recommend best choices of the products from the K18 brand, helping you make better shopping choices with less time and energy.