K18

K18 Hair is a brand founded to rewrite the rules on haircare. Formulated with K18Peptide™, a patented molecular breakthrough clinically proven to reverse hair damage in just 4 mins. K18 Hair takes the radical path of biotech to offer hair treatment and masks that take minimum time, fewer ingredients and less fuss to show REAL results.

Shop the revolutionary: K18 Professional Molecular Repair Hair Mask

51 products

K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz

K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz

$109.80 300ml/10oz
K18 Leave-In Molecular Repair Hair Mask 5ml/0.17oz

K18 Leave-In Molecular Repair Hair Mask 5ml/0.17oz

2 Options Available

$23.40 5ml/0.17oz
  • 5ml/0.17oz - $23.40
  • 50ml/1.7oz - $72.85
K18 HeatBounce Conditioning Heat Protectant 236ml
New

K18 HeatBounce Conditioning Heat Protectant 236ml

2 Options Available

$91.40 236ml
  • 236ml - $91.40
  • 118ml - $53.30
K18 HeatBounce Conditioning Heat Protectant 118ml
New

K18 HeatBounce Conditioning Heat Protectant 118ml

2 Options Available

$53.30 118ml
  • 118ml - $53.30
  • 236ml - $91.40
K18 Damage Shield pH Protective Shampoo 930ml

K18 Damage Shield pH Protective Shampoo 930ml

$127.05 930ml
  • 930ml - $127.05
  • 250ml - $37.20
K18 Astrolift Reparative Volume Spray 118ml

K18 Astrolift Reparative Volume Spray 118ml

$55.60 118ml
K18 Leave-In Molecular Repair Hair Mask 50ml/1.7oz

K18 Leave-In Molecular Repair Hair Mask 50ml/1.7oz

$51.75 50ml/1.7oz
  • 50ml/1.7oz - $51.75
  • 5ml/0.17oz - $23.40
K18 【Super Saver Pack】Leave-In Molecular Repair Hair Mask 5ml/0.17oz x5

K18 【Super Saver Pack】Leave-In Molecular Repair Hair Mask 5ml/0.17oz x5

$45.25 5ml/0.17oz x5
K18 Damage Shield Protective Conditioner 930ml

K18 Damage Shield Protective Conditioner 930ml

$107.50 930ml
K18 Damage Shield PH Protective Shampoo 250ml

K18 Damage Shield PH Protective Shampoo 250ml

$37.20 250ml
  • 250ml - $37.20
  • 930ml - $127.05
K18 Professional Molecular Repair Hair Mist 300ml/10oz

K18 Professional Molecular Repair Hair Mist 300ml/10oz

$147.75 300ml/10oz
  • 300ml/10oz - $147.75
  • 150ml/5oz - $64.50
K18 Peptide Prep Detox Shampoo 930ml/31.5oz

K18 Peptide Prep Detox Shampoo 930ml/31.5oz

$138.55 930ml/31.5oz
  • 930ml/31.5oz - $138.55
  • 250ml/8.5oz - $40.65
K18 Molecular Repair Hair Oil 30ml/1oz

K18 Molecular Repair Hair Oil 30ml/1oz

$64.80 30ml/1oz
K18 Peptide Prep Detox Shampoo 250ml/8.5oz

K18 Peptide Prep Detox Shampoo 250ml/8.5oz

$40.65 250ml/8.5oz
  • 250ml/8.5oz - $40.65
  • 930ml/31.5oz - $138.55
K18 Shampoo Peptide Prep Ph Maintenance 930ml
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K18 Shampoo Peptide Prep Ph Maintenance 930ml

$203.10 930ml
K18 Heatbounce Conditioning Heat Protectant 118ml
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K18 Heatbounce Conditioning Heat Protectant 118ml

$105.75
K18 Astrolift Reparative Volume Spray 118ml
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K18 Astrolift Reparative Volume Spray 118ml

$105.75
K18 Airwash Dry Shampoo 118ml
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K18 Airwash Dry Shampoo 118ml

$103.05 118ml
K18 Airwash Dry Shampoo 118ml
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K18 Airwash Dry Shampoo 118ml

$57.90 118ml
K18 Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 1.7 oz Masque - Pack of 2
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K18 Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 1.7 oz Masque - Pack of 2

$129.05 1.7 oz
K18 Leave-In Molecular Repair Hair Mask (Box Slightly Damaged) 50ml/1.7oz
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K18 Leave-In Molecular Repair Hair Mask (Box Slightly Damaged) 50ml/1.7oz

$63.35 50ml/1.7oz
K18 K18 Professional Molecular Repair Hair Mask 150ml X Natural Beauty Hydrating Radiant Eye Concentrate (Exp Date: 02/2026) 15ml 2pcs
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K18 K18 Professional Molecular Repair Hair Mask 150ml X Natural Beauty Hydrating Radiant Eye Concentrate (Exp Date: 02/2026) 15ml 2pcs

$114.40 2pcs
K18 Hair Professional Molecular Repair Hair Mask by K18 Hair for Unisex - 5 oz Masque
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K18 Hair Professional Molecular Repair Hair Mask by K18 Hair for Unisex - 5 oz Masque

$95.80 5 oz
K18 Hair Peptide Prep Detox Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo
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K18 Hair Peptide Prep Detox Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo

$43.80 8.5 oz
K18 Hair Molecular Repair Hair Oil by K18 Hair for Women - 1 oz Oil
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K18 Hair Molecular Repair Hair Oil by K18 Hair for Women - 1 oz Oil

$66.10 1 oz
K18 Hair Leave-in Molecular Repair Hair Mask by K18 Hair for Women - 0.5 oz Masque
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K18 Hair Leave-in Molecular Repair Hair Mask by K18 Hair for Women - 0.5 oz Masque

$30.70 0.5 oz
K18 Hair Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 1.7 oz Masque
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K18 Hair Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 1.7 oz Masque

$66.55 1.7 oz
K18 Hair Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 0.17 oz Masque
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K18 Hair Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 0.17 oz Masque

$15.60 0.17 oz
K18 Hair Damage Shield PH Protective Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo
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K18 Hair Damage Shield PH Protective Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo

$38.40 8.5 oz
K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz
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K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz

$128.25 300ml/10oz
K18 Damage Shield Ph Protective Shampoo 250ml/8.5oz
Sold out

K18 Damage Shield Ph Protective Shampoo 250ml/8.5oz

$87.50 250ml/8.5oz
K18 Peptide Prep Detox Shampoo 250ml/8.5oz
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K18 Peptide Prep Detox Shampoo 250ml/8.5oz

$86.15 250ml/8.5oz
K18 Damage Shield Protective Conditioner 240ml/8.5oz
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K18 Damage Shield Protective Conditioner 240ml/8.5oz

$87.50 240ml/8.5oz
K18 Damage Shield Protective Conditioner 250ml
Sold out

K18 Damage Shield PH Protective Conditioner 250ml

$38.35 250ml
K18 Hair Care Set: Professional Molecular Repair Hair Mask 150ml x1 + travel set 5mlx5 6pcs
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K18 Hair Care Set: Professional Molecular Repair Hair Mask 150ml x1 + travel set 5mlx5 6pcs

$125.90 6pcs
K18 【1+1 Set】Leave-In Molecular Repair Hair Mask 5ml/0.17oz
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K18 【1+1 Set】Leave-In Molecular Repair Hair Mask 5ml/0.17oz

$11.40 5ml/0.17oz
K18 Professional Molecular Repair Hair Mask 150ml/5oz x2
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K18 Professional Molecular Repair Hair Mask 150ml/5oz x2

$144.75 150ml/5oz x2
  • 150ml/5oz x2 - $144.75
  • 150ml/5oz - $104.05
K18 Professional Molecular Repair Hair Mask 150ml/5oz
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K18 Professional Molecular Repair Hair Mask 150ml/5oz

$117.75 150ml/5oz
K18 Peptide Prep pH Maintenance Shampoo 930ml/31.5oz
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K18 Peptide Prep pH Maintenance Shampoo 930ml/31.5oz

$102.80 930ml/31.5oz
K18 Leave in Molecular Repair Hair Mask 15m/0.5oz
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K18 Leave in Molecular Repair Hair Mask 15m/0.5oz

$29.15 15m/0.5oz
K18 Professional Molecular Repair Hair Mist 150ml
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K18 Professional Molecular Repair Hair Mist 150ml

$158.40 150ml
K18 Leave-in Molecular Repair Hair Mask 15ml/0.5oz
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K18 Leave-in Molecular Repair Hair Mask 15ml/0.5oz

$76.70 15ml/0.5oz
K18 Molecular Repair Hair Oil 30ml/1oz
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K18 Molecular Repair Hair Oil 30ml/1oz

$101.35 30ml/1oz
K18 Peptide Prep pH Maintenance Shampoo 250ml/8.5oz
Sold out

K18 Peptide Prep pH Maintenance Shampoo 250ml/8.5oz

$38.80 250ml/8.5oz
  • 250ml/8.5oz - $38.80
  • 930ml/31.5oz - $102.80
K18 Shampoo Peptide Prep Detox 930ml
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K18 Shampoo Peptide Prep Detox 930ml

$161.85 930ml
K18 Mist Pro Repair 300ml
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K18 Mist Pro Repair 300ml

$182.15 300ml
K18 Leave-In Molecular Repair Hair Mask 5ml/0.17oz
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K18 Leave-In Molecular Repair Hair Mask 5ml/0.17oz

$49.70 5ml/0.17oz
K18 Leave-in Molecular Repair Hair Mask 50ml/1.7oz
Sold out

K18 Leave-in Molecular Repair Hair Mask 50ml/1.7oz

$123.30 50ml/1.7oz