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K18

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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.

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K18 Best Sellers

Last Updated: Jan 11, 2026

Hair Treatment Masks

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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 Cover
  • 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
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Hair Sprays

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

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 Cover
  • 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
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Shampoo

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

K18 Damage Shield Shampoo & Conditioner, Smoothing & Protective from Environmental Stressors, Maintains Hair Health, 8.5 Fl Oz x2 Cover
  • 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
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Conditioner Leave-in Conditioner

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

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

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

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

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

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

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

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

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

K18 Hair Repair Kit - Hair Mask (15ml) and Detox Shampoo (8.5 oz) Cover
  • 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
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Hair Treatment Masks

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

K18 Damage Control Trio, Damage Shield Shampoo + Conditioner + 4-Minute Molecular Repair Hair Mask, Lasting Damage Repair, Color-Safe Shampoo Cover
  • Reverses hair damage in 4 minutes*
  • Color-safe, pH-optimized shampoo
  • Protect from 3 types of damage for up to 3 days
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Hair Treatment Masks

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)

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) Cover
  • 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
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Hair Treatment Masks

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

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