No.4 Bond Maintenance® Strengthening, Hydrating Hair Repair Shampoo for Medium Hair

About the Product

What it is: A highly concentrated shampoo for medium to coarse hair that targets everyday damage to strengthen, reinforce, nourish, and boost shine in one wash.

Hair Texture: Straight, Wavy, Curly, and Coily

Hair Type: Fine, Medium, and Thick

Hair Concerns:
- Color Safe
- Damage, Split Ends, and Breakage
- Frizz

Key Benefits:
- Cares for everyday damage and defends against future breakage
- Strengthens and reinforces bonds for more resilient hair
- Replenishes hydration, enhances softness and shine, smooths, and reduces frizz

Highlighted Ingredients:
- Bis-Aminopropyl Diglycol Dimaleate: Patented and proven technology to restore broken bonds for stronger hair.
- Gentle Blend of Coconut Oil-Derived Surfactants: For an easy, abundant lather that leaves the scalp and hair feeling hydrated.

Ingredient Callouts: Free of parabens, formaldehydes, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, triclosan, and contains less than one percent synthetic fragrance. It is also cruelty-free.

What Else You Need to Know: This highly concentrated strengthening shampoo cares for everyday damage in one wash. The abundant lather gently cleanses and replenishes hydration, leaving hair soft. It’s shown to boost shine and reduce split ends and frizz. The formula is dermatologist tested, color safe, and suitable for chemically treated hair.

Fragrance Description: Olaplex’s signature scent features uplifting notes of grapefruit, sugared mint, and sage.

Clinical Results: In a test, after 1 wash, when used as a system with No.5 Bond Maintenance Shampoo (sold separately), results showed:
- Repairs everyday damage and strengthens hair at a molecular level
- Defends against future breakage and reduce split ends, frizz, and flyaways
- 73% increase in hydration for soft, shiny, and more manageable hair

Ingredients

-Bis-Aminopropyl Diglycol Dimaleate: Patented and proven technology to repair broken bonds for stronger hair.

Water (Aqua/Eau), Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Potassium Cocoyl Glycinate, Disodium Cocoyl Glutamate, Sodium Lauroyl Sarcosinate, Potassium Cocoate, Decyl Glucoside, Glycereth-26, Bis-Aminopropyl Diglycol Dimaleate, Cocamidopropylamine Oxide, Disodium Laureth Sulfosuccinate, Glycol Distearate, Sodium Cocoyl Glutamate, Methyl Gluceth-20, Acrylates Copolymer, PEG-120 Methyl Glucose Dioleate, Amodimethicone, Citric Acid, Sodium Lauryl Sulfoacetate, Polyquaternium-10, Ethylhexylglycerin, DivinylDimethicone/Dimethicone Copolymer, Polyquaternium-11, Trisodium Ethylenediamine Disuccinate, Guar Hydroxypropyltrimonium Chloride, C11-15 Pareth-7, Laureth-9, Glycerin, Trideceth-12, C12-13 Pareth-23, C12-13 Pareth-3, Hydrolyzed Vegetable Protein, PG-Propyl Silanetriol, Panthenol, Acetic Acid, Tetrasodium EDTA, Pentasodium Triphosphate, Sodium Hydroxide, Disodium EDTA, Helianthus Annus (Sunflower) Seed Oil, Tocopherol, Prunus Armeniaca (Apricot) Kernel Oil, Pseudozyma Epicola/Camellia Sinensis Seed Oil Ferment Extract Filtrate, Pseudozyma Epicola/Argania Spinosa Kernel Oil Ferment Filtrate, Quaternium-95, Propanediol, Helianthus Annus (Sunflower) Seed Extract, PEG-8, Euterpe Oleracea Fruit Extract, Punica Granatum Extract, Rosemarinus Officinalis (Rosemary) Leaf Extract, Musa Sapientum (Banana) Fruit Extract, Origanum Vulgare Lear Extract, Morinda Citrifolia Fruit Extract, Articum Lappa Root Extract, PEG-8/SMDI Copolymer, Sodium Hyaluronate, Palmitoyl Myristyl Serinate, Sodium Polyacrylate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Biotin, Benzoic Acid, Phenoxyethanol, Chlorphenesin, Potassium Sorbate, Sodium Benzoate, Fragrance(Parfum), Citral, Hexyl Cinnamal, Limonene.

How to Use

Suggested Usage:
-A little goes a long way with this highly concentrated formula.
-Dispense, emulsify in hands, and apply to wet hair.
-Lather thoroughly and rinse well.
-Follow with No.5 Bond Maintenance Conditioner (sold separately) or Olaplex mask of choice.