BESTSELLER! Hair Theory Lab Hair Milk Serum 95 ml (With Alcohol)

Hair Theory Lab Hair Milk Serum is a premium Japanese leave-in hair treatment designed to deliver deep hydration, repair, and protection without weighing the hair down.

Developed based on hair science, this lightweight milk-serum penetrates quickly into the hair, increasing moisture levels and leaving hair smooth, soft, and manageable even the next day.

The formula combines collagen, keratin-derived proteins, and multiple types of hyaluronic acid, helping to strengthen damaged hair, improve elasticity, and protect the cuticle from heat styling.

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Key Features

• Leave-in hair serum (no rinse)
• Deep hydration and moisture retention
• Repairs damaged hair structure
• Heat protection for styling tools
• Lightweight, non-sticky finish
• Improves shine, softness, and manageability

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Key Active Ingredients & Their Effects

Hydrolyzed Collagen
Improves hair elasticity and provides moisture to dry, damaged strands.

Hydrolyzed Keratin & Silk Proteins
Repair hair structure and strengthen the cuticle.

Hyaluronic Acid Complex (multiple types)
Deeply hydrates and retains moisture inside the hair fiber.

Ceramide NG
Supports the hair barrier and prevents moisture loss.

γ-Docosalactone
Activates with heat to protect and smooth the hair cuticle.

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Ingredients (INCI)

Water, Dimethicone, Cetearyl Alcohol, Butylene Glycol, Hydrolyzed Collagen, Hydrolyzed Egg Shell Membrane, Hydrolyzed Wool Cuticle Protein, Glutamic Acid, Dilauroyl Glutamate Lysine Sodium, Hydroxypropyltrimonium Hydrolyzed Keratin, Hydroxypropyltrimonium Hydrolyzed Silk, Sodium Acetylated Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Hyaluronate, Hyaluronic Acid Hydroxypropyltrimonium, Paeonia Suffruticosa Extract, Sodium Alginate, Dipropylene Glycol, Gamma-Docosalactone, Ceramide NG, Caprylic/Capric Triglyceride, Macadamia Nut Fatty Acid Phytosteryl, Cetyl Alcohol, Ceteareth-20, PPG-4 Ceteareth-20, Steartrimonium Chloride, Dicocodimonium Chloride, Isalkyl (C10-40) Amidopropyl Ethyldimonium Ethosulfate, Behentrimonium Methosulfate, Cetearyl Glucoside, Dimethiconol, Amodimethicone, Aminopropyl Dimethicone, Tamarind Gum, Disodium EDTA, Isopropanol, Pentylene Glycol, Phenoxyethanol, Sodium Benzoate, Fragrance

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How to Use

Apply a small amount to towel-dried or dry hair.

Distribute evenly through lengths and ends.

Do not rinse.

Style as usual.

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Product Details

Weight: 95 ml
Product type: Leave-in hair serum
Skin type: All hair types
Consistency: Lightweight milk
Fragrance: Fresh fruity-floral scent
Artificial colors: Not specified
Alcohol (ethanol): Contains alcohol
Country of Origin: Japan

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Manufacturer Precautions

Avoid contact with eyes.

Discontinue use if irritation occurs.

Store away from direct sunlight and high temperatures.

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Important Notice

This product is ordered specifically at the customer’s request. Preparation and shipping may take longer than usual.

After placing the order, cancellation is not possible because the product is purchased from the supplier immediately.

Important Note
This product is available upon customer request, which may extend the shipping time. If it becomes unavailable from the manufacturer, it may be canceled from your order.