{"@context":"https://schema.org","@type":"Product","name":"Nº.4FINE BOND MAINTENANCE® SHAMPOO LITER","image":["https://cdn.shopify.com/s/files/1/0434/1661/files/2025_No4Fine_1000ml_Product_Packshot_01_GBL_1440x1440_e9c9e841-cec5-48d4-a5f9-5ca652934ce0.png?v=1762286385","https://cdn.shopify.com/s/files/1/0434/1661/files/02__No4Fine_Goop_2000x2000_Infographic.jpg?v=1746455344","https://cdn.shopify.com/s/files/1/0434/1661/files/03_No4F_benefit_model_2000x2000_d1f2caf1-b858-4b5c-b9c2-0952a0a0c471.jpg?v=1746455344","https://cdn.shopify.com/s/files/1/0434/1661/files/04__No4Fine_Results_Claim_2000x2000_Infographic.jpg?v=1758670944","https://cdn.shopify.com/s/files/1/0434/1661/files/Supplemental_claims_N4Fine__1.jpg?v=1758670944","https://cdn.shopify.com/s/files/1/0434/1661/files/06__No4Fine_BA_Haley_2000x2000_Infographic.jpg?v=1758670944","https://cdn.shopify.com/s/files/1/0434/1661/files/07__No4Fine_Routine_Cross_2000x2000_Infographic.jpg?v=1746455345","https://cdn.shopify.com/s/files/1/0434/1661/files/Supplemental_ingredients_1.jpg?v=1758671155","https://cdn.shopify.com/s/files/1/0434/1661/files/Supplemental_hair_Texture_comparison_1.jpg?v=1758671050","https://cdn.shopify.com/s/files/1/0434/1661/files/5-N4F_N5F_PDP_Supplemental_OGComparison_2000x2000_2866372d-9775-4593-b148-f6fc04fce7ee.jpg?v=1746471650","https://cdn.shopify.com/s/files/1/0434/1661/files/N2_FreeOf_US.jpg?v=1752602306","https://cdn.shopify.com/s/files/1/0434/1661/files/BondShaperCurl_FreeOf_US.jpg?v=1752600836","https://cdn.shopify.com/s/files/1/0434/1661/files/VBDM_FreeOf_US.jpg?v=1752597603"],"description":"

KEY BENEFITS

Doubles hair volume, adding body, bounce, and lift at the root
Repairs everyday damage and defends against future breakage
Strengthens and reinforces bonds for more resilient hair
Gently cleanses without stripping
Clinically proven to boost softness and shine.
Dermatologist tested, vegan, color-safe, and suitable for chemically treated hair.

DETAILS

This is the best shampoo for fine hair.

Clinically proven to double your hair’s volume instantly, maintaining lift all day while repairing everyday damage in 1 wash. The ultra-lite lather gently lifts away buildup, never stripping—leaving your hair weightlessly clean, soft, shiny, and full of body and bounce.

Formulated for straight, wavy, curly, or coily hair with fine texture– plus all porosity levels.

Dermatologist Tested. Vegan. Color-safe and suitable for chemically treated hair.

*When Nº.4FINE and Nº.5FINE are used as a system

CLINICALLY PROVEN

2X:: more volumized hair, instantly & all day
2X:: stronger hair at a molecular level
60%::less breakage to protect hair length and fullness [body]
\n

*When used as a system with Nº.5FINE Bond Maintenance Shampoo

INGREDIENTS

Flexible Polymers

Help to provide volume and lift at the roots.

Patented OLAPLEX Bond Building Technology™

Strengthens hair and repairs damage on a molecular level by rebuilding the disulfide bonds that give hair its strength.

Low Molecular Weight Hyaluronic Acid

Promotes soft, hydrated hair.

Hydra-Balancing Matrix

Leaves fine hair weightlessly clean and hydrated without over-conditioning.

HOW TO USE

A little goes a long way with this highly concentrated formula.

250mL: Up to 100 applications*

1000mL: Up to 400 applications*

*Based on the average application size of 2.5mL

\nDispense and emulsify in hands. \n
Apply to wet hair.
Lather thoroughly and rinse well.

Follow with Nº.5FINE Bond Maintenance® Conditioner.

FREE OF

No protein overload. No silicone buildup.

Formulated without Protein, Silicones, Sulfates, SLS/SLES, Phthalates, Phosphates, MIC/MIT, and Paraben.

FULL INGREDIENTS LIST

Aqua/Water/Eau, Sodium Cocoyl Alaninate, Sodium Cocoyl Isethionate, Coco-Glucoside, Lauryl Glucoside, Propanediol, Cocamidopropyl Hydroxysultaine, Glycerin, Acrylates Copolymer, Polyquaternium-80, Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Sodium Chloride, Parfum/Fragrance, Coconut Acid, Cocamide MIPA, Guar Hydroxypropyltrimonium Chloride, Polyglyceryl-4 Caprate, Polyglyceryl-6 Caprylate, Polyimide-1, Chlorphenesin, Panthenol, Xanthan Gum, Polyquaternium-7, Cetrimonium Chloride, Ethylhexylglycerin, Oryza Sativa (Rice) Bran Extract, Hydrolyzed Quinoa, Trisodium Ethylenediamine Disuccinate, Sarcosine, Pisum Sativum (Pea) Seed Extract, Helianthus Annuus (Sunflower) Extract, Propylene Glycol, Sclerotium Gum, 1,2-Hexanediol, Rosmarinus Officinalis (Rosemary) Leaf Extract, Tocopherol, Sodium Hydroxide, Algin, Sodium Hyaluronate, Sodium Benzoate, Benzyl Alcohol, Tetrasodium Glutamate Diacetate, Potassium Sorbate, Caesalpinia Spinosa Fruit Extract, Helianthus Annuus (Sunflower) Sprout Extract, Citric Acid, Hexyl Cinnamal, Limonene, Citral, Yellow 5 (CI 19140), Yellow 6 (CI 15985)

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Nº.4FINE BOND MAINTENANCE® SHAMPOO LITER

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