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

49 products

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

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

$114.60 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

$20.20 5ml/0.17oz
  • 5ml/0.17oz - $20.20
  • 50ml/1.7oz - $75.65
K18 Damage Shield pH Protective Shampoo 930ml
New

K18 Damage Shield pH Protective Shampoo 930ml

2 Options Available

$132.30 930ml
  • 930ml - $132.30
  • 250ml - $39.05
K18 Heatbounce Conditioning Heat Protectant 118ml
New

K18 Heatbounce Conditioning Heat Protectant 118ml

$107.70
K18 Astrolift Reparative Volume Spray 118ml
New

K18 Astrolift Reparative Volume Spray 118ml

$107.70
K18 Airwash Dry Shampoo 118ml
New

K18 Airwash Dry Shampoo 118ml

$107.70 118ml
K18 Astrolift Reparative Volume Spray 118ml

K18 Astrolift Reparative Volume Spray 118ml

$57.95 118ml
K18 Airwash Dry Shampoo 118ml

K18 Airwash Dry Shampoo 118ml

$60.30 118ml
K18 Hair Professional Molecular Repair Hair Mask by K18 Hair for Unisex - 5 oz Masque

K18 Hair Professional Molecular Repair Hair Mask by K18 Hair for Unisex - 5 oz Masque

$87.80 5 oz
K18 Hair Peptide Prep Detox Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo

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

$37.55 8.5 oz
K18 Hair Molecular Repair Hair Oil by K18 Hair for Women - 1 oz Oil

K18 Hair Molecular Repair Hair Oil by K18 Hair for Women - 1 oz Oil

$59.45 1 oz
K18 Hair Leave-in Molecular Repair Hair Mask by K18 Hair for Women - 0.5 oz Masque

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

$30.70 0.5 oz
K18 Hair Damage Shield PH Protective Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo

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

$37.55 8.5 oz
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 - $20.20
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

$47.30 5ml/0.17oz x5
K18 Damage Shield Ph Protective Shampoo 250ml/8.5oz

K18 Damage Shield Ph Protective Shampoo 250ml/8.5oz

$87.20 250ml/8.5oz
K18 Damage Shield Protective Conditioner 930ml

K18 Damage Shield Protective Conditioner 930ml

$112.20 930ml
K18 Damage Shield Protective Conditioner 250ml

K18 Damage Shield PH Protective Conditioner 250ml

$39.05 250ml
K18 Damage Shield PH Protective Shampoo 250ml

K18 Damage Shield PH Protective Shampoo 250ml

2 Options Available

$39.05 250ml
  • 250ml - $39.05
  • 930ml - $132.30
K18 Hair Care Set: Professional Molecular Repair Hair Mask 150ml x1 + travel set 5mlx5 6pcs

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

$131.10 6pcs
K18 Professional Molecular Repair Hair Mask 150ml/5oz x2

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

$144.75 150ml/5oz x2
  • 150ml/5oz x2 - $144.75
  • 150ml/5oz - $102.80
K18 Professional Molecular Repair Hair Mist 300ml/10oz

K18 Professional Molecular Repair Hair Mist 300ml/10oz

$161.80 300ml/10oz
  • 300ml/10oz - $161.80
  • 150ml/5oz - $64.50
K18 Peptide Prep Detox Shampoo 930ml/31.5oz

K18 Peptide Prep Detox Shampoo 930ml/31.5oz

2 Options Available

$144.10 930ml/31.5oz
  • 930ml/31.5oz - $144.10
  • 250ml/8.5oz - $35.50
K18 Leave in Molecular Repair Hair Mask 15m/0.5oz

K18 Leave in Molecular Repair Hair Mask 15m/0.5oz

$30.80 15m/0.5oz
K18 Professional Molecular Repair Hair Mist 150ml

K18 Professional Molecular Repair Hair Mist 150ml

$159.75 150ml
K18 Peptide Prep Detox Shampoo 250ml/8.5oz

K18 Peptide Prep Detox Shampoo 250ml/8.5oz

2 Options Available

$35.50 250ml/8.5oz
  • 250ml/8.5oz - $35.50
  • 930ml/31.5oz - $144.10
K18 Leave-in Molecular Repair Hair Mask 50ml/1.7oz

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

$125.50 50ml/1.7oz
K18 Professional Molecular Repair Hair Mask 150ml/5oz

K18 Professional Molecular Repair Hair Mask 150ml/5oz

$102.80 150ml/5oz
  • 150ml/5oz - $102.80
  • 150ml/5oz x2 - $144.75
K18 Professional Molecular Repair Hair Mist 150ml/5oz

K18 Professional Molecular Repair Hair Mist 150ml/5oz

$64.50 150ml/5oz
  • 150ml/5oz - $64.50
  • 300ml/10oz - $161.80
K18 Shampoo Peptide Prep Ph Maintenance 930ml
Sold out

K18 Shampoo Peptide Prep Ph Maintenance 930ml

$203.10 930ml
K18 Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 1.7 oz Masque - Pack of 2
Sold out

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
Sold out

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
Sold out

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 Leave-In Molecular Repair Hair Mask by K18 Hair for Unisex - 1.7 oz Masque
Sold out

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
Sold out

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

$14.45 0.17 oz
K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz
Sold out

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

$128.25 300ml/10oz
K18 Peptide Prep Detox Shampoo 250ml/8.5oz
Sold out

K18 Peptide Prep Detox Shampoo 250ml/8.5oz

$71.80 250ml/8.5oz
K18 Damage Shield Protective Conditioner 240ml/8.5oz
Sold out

K18 Damage Shield Protective Conditioner 240ml/8.5oz

$73.80 240ml/8.5oz
K18 【1+1 Set】Leave-In Molecular Repair Hair Mask 5ml/0.17oz
Sold out

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
Sold out

K18 Professional Molecular Repair Hair Mask 150ml/5oz

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

K18 Peptide Prep pH Maintenance Shampoo 930ml/31.5oz

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

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

$70.40 15ml/0.5oz
K18 Molecular Repair Hair Oil 30ml/1oz
Sold out

K18 Molecular Repair Hair Oil 30ml/1oz

$101.35 30ml/1oz
K18 Molecular Repair Hair Oil 30ml/1oz
Sold out

K18 Molecular Repair Hair Oil 30ml/1oz

$63.85 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
Sold out

K18 Shampoo Peptide Prep Detox 930ml

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

K18 Mist Pro Repair 300ml

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

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

$50.80 5ml/0.17oz