K18

K18 Hair was founded to rewrite the rules on haircare. Offering hair treatments and masks with K18Peptide™, a patented molecular breakthrough clinically proven to reverse hair damage from bleach + colour, chemical services, and heat in just 4 mins. Taking the radical path of biotech, K18 Hair offers hair care products that take less time, less ingredients and less fuss to show REAL results.

Shop the revolutionary: K18 Professional Molecular Repair Hair Mask

51 products

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

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

2 Options Available

$106.40 $115.00 50ml/1.7oz
  • 50ml/1.7oz - $106.40
  • 5ml/0.17oz - $32.20
K18 Molecular Repair Hair Oil 30ml/1oz
Sale

K18 Molecular Repair Hair Oil 30ml/1oz

$94.80 $95.00 30ml/1oz
K18 Professional Molecular Repair Hair Mist 150ml/5oz
Sale

K18 Professional Molecular Repair Hair Mist 150ml/5oz

$102.80 $150.00 150ml/5oz
  • 150ml/5oz - $102.80
  • 300ml/10oz - $224.75
K18 Peptide Prep Detox Shampoo 250ml/8.5oz
Sale

K18 Peptide Prep Detox Shampoo 250ml/8.5oz

$56.55 $60.00 250ml/8.5oz
  • 250ml/8.5oz - $56.55
  • 930ml/31.5oz - $210.80
K18 Leave-In Molecular Repair Hair Mask 5ml/0.17oz

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

2 Options Available

$32.20 5ml/0.17oz
  • 5ml/0.17oz - $32.20
  • 50ml/1.7oz - $106.40
K18 Professional Molecular Repair Hair Mist 300ml/10oz

K18 Professional Molecular Repair Hair Mist 300ml/10oz

$224.75 300ml/10oz
  • 300ml/10oz - $224.75
  • 150ml/5oz - $102.80
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

$64.65 5ml/0.17oz x5
K18 Peptide Prep Detox Shampoo 930ml/31.5oz

K18 Peptide Prep Detox Shampoo 930ml/31.5oz

$210.80 930ml/31.5oz
  • 930ml/31.5oz - $210.80
  • 250ml/8.5oz - $56.55
K18 Damage Shield Protective Conditioner 930ml

K18 Damage Shield Protective Conditioner 930ml

$162.10 930ml
K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz

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

$164.40 300ml/10oz
K18 Astrolift Reparative Volume Spray 118ml
Sale

K18 Astrolift Reparative Volume Spray 118ml

$80.90 $85.00 118ml
K18 Leave-In Molecular Repair Hair Mask 50ml/1.7oz
Sale

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

$84.20 $109.95 50ml/1.7oz
  • 50ml/1.7oz - $84.20
  • 5ml/0.17oz - $32.20
K18 Damage Shield PH Protective Shampoo 250ml

K18 Damage Shield PH Protective Shampoo 250ml

$51.90 250ml
  • 250ml - $51.90
  • 930ml - $194.60
K18 HeatBounce Conditioning Heat Protectant 236ml

K18 HeatBounce Conditioning Heat Protectant 236ml

2 Options Available

$137.75 236ml
  • 236ml - $137.75
  • 118ml - $78.60
K18 HeatBounce Conditioning Heat Protectant 118ml
Sale

K18 HeatBounce Conditioning Heat Protectant 118ml

2 Options Available

$78.60 $85.00 118ml
  • 118ml - $78.60
  • 236ml - $137.75
K18 Damage Shield pH Protective Shampoo 930ml

K18 Damage Shield pH Protective Shampoo 930ml

$194.60 930ml
  • 930ml - $194.60
  • 250ml - $51.90
K18 Professional Molecular Repair Hair Mask 150ml/5oz
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K18 Professional Molecular Repair Hair Mask 150ml/5oz

$157.45 $199.00 150ml/5oz
  • 150ml/5oz - $157.45
  • 150ml/5oz x2 - $247.70
K18 Leave in Molecular Repair Hair Mask 15m/0.5oz
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K18 Leave in Molecular Repair Hair Mask 15m/0.5oz

$40.30 15m/0.5oz
K18 Professional Molecular Repair Hair Mask 150ml/5oz x2
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K18 【1+1 Set】Professional Molecular Repair Hair Mask 150ml/5oz x2

$247.70 150ml/5oz x2
  • 150ml/5oz x2 - $247.70
  • 150ml/5oz - $157.45
K18 Airwash Dry Shampoo 118ml
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K18 Airwash Dry Shampoo 118ml

$82.05 $85.00 118ml
K18 Damage Shield Ph Protective Shampoo 250ml/8.5oz
Sold out

K18 Damage Shield Ph Protective Shampoo 250ml/8.5oz

$103.15 250ml/8.5oz
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

$122.75 1.7 oz
K18 Peptide Prep pH Maintenance Shampoo 930ml/31.5oz
Sold out

K18 Peptide Prep pH Maintenance Shampoo 930ml/31.5oz

$167.75 930ml/31.5oz
K18 Peptide Prep pH Maintenance Shampoo 250ml/8.5oz
Sold out

K18 Peptide Prep pH Maintenance Shampoo 250ml/8.5oz

$64.10 250ml/8.5oz
  • 250ml/8.5oz - $64.10
  • 930ml/31.5oz - $167.75
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

$93.50 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

$174.70 2pcs
K18 Hair Peptide Prep Detox Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo
Sold out

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

$82.45 8.5 oz
K18 Hair Molecular Repair Hair Oil by K18 Hair for Women - 1 oz Oil
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Molecular Repair Hair Oil by K18 Hair for Women - 1 oz Oil

$121.20 1 oz
K18 Peptide Prep Pro Chelating Hair Complex 300ml/10oz
Sold out

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

$165.25 300ml/10oz
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

$189.95 6pcs
K18 Molecular Repair Hair Oil 30ml/1oz
Sold out

K18 Molecular Repair Hair Oil 30ml/1oz

$137.60 30ml/1oz
K18 Astrolift Reparative Volume Spray 118ml
Sold out

K18 Astrolift Reparative Volume Spray 118ml

$134.20
K18 Heatbounce Conditioning Heat Protectant 118ml
Sold out

K18 Heatbounce Conditioning Heat Protectant 118ml

$134.20
K18 Airwash Dry Shampoo 118ml
Sold out

K18 Airwash Dry Shampoo 118ml

$131.50 118ml
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

$211.95 1.7 oz
K18 Hair Professional Molecular Repair Hair Mask by K18 Hair for Unisex - 5 oz Masque
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Professional Molecular Repair Hair Mask by K18 Hair for Unisex - 5 oz Masque

$167.00 5 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

$64.50 0.5 oz
K18 Hair Damage Shield PH Protective Shampoo by K18 Hair for Unisex - 8.5 oz Shampoo
Sold out

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

$74.70 8.5 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

$40.70 0.17 oz
K18 Peptide Prep Detox Shampoo 250ml/8.5oz
Sold out

K18 Peptide Prep Detox Shampoo 250ml/8.5oz

$103.15 250ml/8.5oz
K18 Damage Shield Protective Conditioner 240ml/8.5oz
Sold out

K18 Damage Shield Protective Conditioner 240ml/8.5oz

$103.15 240ml/8.5oz
K18 Damage Shield Protective Conditioner 250ml
Sold out

K18 Damage Shield PH Protective Conditioner 250ml

$53.05 $59.95 250ml
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

$18.40 5ml/0.17oz
K18 Professional Molecular Repair Hair Mask 150ml/5oz
Sold out

K18 Professional Molecular Repair Hair Mask 150ml/5oz

$169.70 150ml/5oz
K18 Professional Molecular Repair Hair Mist 150ml
Sold out

K18 Professional Molecular Repair Hair Mist 150ml

$205.75 150ml
K18 Leave-in Molecular Repair Hair Mask 15ml/0.5oz
Sold out

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

$91.00 15ml/0.5oz
K18 Shampoo Peptide Prep Detox 930ml
Sold out

K18 Shampoo Peptide Prep Detox 930ml

$242.25 930ml
K18 Shampoo Peptide Prep Ph Maintenance 930ml
Sold out

K18 Shampoo Peptide Prep Ph Maintenance 930ml

$292.00 930ml