• Detoxifies without stripping hair’s natural moisture.
• Gently removes hard water buildup that weighs down your hair.
• Prevents breakage by neutralising hard water minerals that bind to your hair.
• Restores strength, hydration, and pH balance for healthier, more resilient hair.

• 17.71% thicker hair in 4 weeks* 
• Less breakage and less crispiness
• Stronger, softer, lightweight hair

*Hello Klean Clinical Trial 2023

Winner of Best Shampoo, ELLE Future of Beauty Awards 2026

Winner of Best Everyday Shampoo, W. ICONS Beauty Awards 2025

Winner of Best Repairing Shampoo, Cosmopolitan Summer Beauty Awards

• Activated Charcoal acts as a magnet for hard water minerals, drawing out calcium and magnesium that weaken hair structure.
• Lactic Acid gently exfoliates by breaking down mineral deposits left by water, preventing the crystallisation that makes hair brittle and prone to breakage.
• Licorice Root helps to rebalance and replenish moisture lost to hard water's drying effects while strengthening the hair shaft against future damage.
• Klean Complex™  binds to chlorine, heavy metals, and hard water minerals, protecting your hair’s natural oils and preventing damage.

Formulated without over 1,600 ingredients that cause potential worry, such as SLS, SLES, parabens, phthalates, and silicones. 

Full Ingredients List:

Aqua(Water), Sodium C14-16 Olefin Sulfonate, Cocamidopropyl Betaine, Cocamide Methyl Mea, Sodium Taurine Cocoyl Methyltaurate, Glycerin, Sodium Chloride, Phenoxyethanol, Potassium Cocoyl Hydrolyzed Oat Protein, Sodium Benzoate, Dihydrogenated Tallow Phthalic Acid Amide, Parfum (Fragrance), Polyquaternium-10, PPG-3 Caprylyl Ether, Sodium Lauroyl Sarcosinate, Sodium Cocamidopropyl Pg-dimonium Chloride Phosphate, Citrus Paradisi (Grapefruit) Peel Oil, Trihydroxystearin, Guar Hydroxypropyltrimonium Chloride, Lactic Acid, Lavandula Angustifolia (Lavender) Oil, Oleamidopropyl Pg-dimonium Chloride, Polyquaternium-47, Tetrasodium Glutamate Diacetate, Disodium Cocoyl Glutamate, Citric Acid, Sodium Citrate, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Olea Europaea (Olive) Leaf Extract, Scutellaria Baicalensis Root Extract, Sophora Flavescens Root Extract, Glycyrrhiza Inflata Root Extract, Glycine Soja (Soybean) Protein, Charcoal, Sodium Hyaluronate, Hydrolyzed Rice Protein, Glycine, Serine, Glutamic Acid, Superoxide Dismutase, Aspartic Acid, Leucine, Alanine, Lysine, Arginine, Tyrosine, Phenylalanine, Proline, Threonine, Valine, Isoleucine, Histidine, Potassium Chloride, Hydrogenated Ditallowamine, Propylene Glycol, Laureth-20, Butylene Glycol, 3-o-ethyl Ascorbic Acid, Glyceryl Laurate, 1,2-hexanediol, Glyceryl Caprylate, Sodium Dextran Sulfate, Potassium Sorbate, Titanium Dioxide (CI 77891), D & C Black No. 2 (CI 77266).

• Apply to wet hair
• Massage into a rich lather
• Rinse thoroughly
• Follow with conditioner

• The carton and 100% PCR plastic bottle are both recyclable. 
• To recycle the shampoo pump, use a nutcracker to separate the metal spring from the plastic, then recycle each part separately. 
• Check with your local council for specific recycling guidelines.

• Shields dark hair from iron metals that cause unwanted brassiness and pesky orange tones.
• Stops hard water and chlorine from dulling your hair, so your colour stays vibrant and lasts longer.
• Deeply hydrates and smooths frizz.
• Prevents breakage by neutralising hard water minerals that bind to your hair.
• Restores strength and pH balance for healthier, more resilient hair.

• +65% improved hair colour retention*
• Stronger, healthier hair
• Save money on fewer trips to the salon

*Hello Klean Clinical Trial 2024

Best Repairing Conditioner, Cosmopolitan Summer Beauty Awards 2023

Best Conditioner, Marie Claire Hair Awards 2025

• Reishi Mushroom is packed with peptides and beta-glucans that fight oxidative stress while preventing dullness caused by hard water minerals.
• Rose of Jericho acts as a moisture-locking shield, protecting hair from colour-fading UV damage and fortifying strands against breakage caused by mineral buildup.
• Rice Protein delivers essential amino acids and Vitamin E to repair damage, reduce frizz, and strengthen strands against hard water’s drying effects.
• Klean Complex™ is a powerhouse chelator enriched with amino acids and AHAs that neutralises hard water minerals, balances pH levels, and defends against colour fade caused by chlorine.

Formulated without over 1,600 ingredients that cause potential worry, such as SLS, SLES, parabens, phthalates, and silicones. 

Full Ingredients List:

Aqua (Water), Cetearyl Alcohol, Glyceryl Stearate, Steartrimonium Chloride, Ppg-52 Butyl Ether, Ppg-3 Caprylyl Ether, Phenoxyethanol, Panthenol, Guar Hydroxypropyltrimonium Chloride, Phytosteryl/Octyldodecyl Lauroyl Glutamate, Ppg-9 Diglyceryl Ether, Ppg-34, Sodium Benzoate, Ethylhexyl Methoxycinnamate, Citrus Paradisi (Grapefruit) Peel Oil, Polyquaternium-47, Citrus Aurantium Bergamia (Bergamot) Fruit Oil, Laurdimonium Hydroxypropyl Hydrolyzed Wheat Protein, Sodium Dextran Sulfate, Alanine, Leucine, Aspartic Acid, Lysine, Ganoderma Atrum (Mushroom) Extract, Tyrosine, Glutamic Acid, Serine, Proline, Valine, Threonine, Histidine, Isoleucine, Glycine, Superoxide Dismutase, Anastatica Hierochuntica Extract, Glycine Soja (Soybean) Protein, 3-O-Ethyl Ascorbic Acid, Sodium Hyaluronate, Lactobacillus Ferment, Hydrolyzed Rice Protein, Lactic Acid, Sodium Citrate, Citric Acid, Potassium Sorbate, Butylene Glycol, Glycerin, Bht, Phenylalanine, Arginine, FD & C Yellow No. 5 (CI 19140), FD & C Yellow No. 6 (CI 15985).

• Apply to washed hair.
• Massage through mid-lengths and ends.
• Leave for 2 to 3 minutes.
• Rinse thoroughly.

• The carton and 100% PCR plastic bottle are both recyclable. 
• To recycle the shampoo pump, use a nutcracker to separate the metal spring from the plastic, then recycle each part separately. 
• Check with your local council for specific recycling guidelines.