Olaplex
No. 4 Bond Maintenance Strengthening and Reparative Hair Shampoo
Highly rated by customers for: , ,

$49.00or 4 payments of $12.25 with or
Size: 8.5 oz/ 250 mL
Standard size
Highlights
All Hair Types
Good for: Damage
Good for: Color Care
Without Sulfates SLS & SLES
Bond Building
Fresh Scent
About the Product
Item 2121549
Only at Sephora
What it is: A hydrating shampoo that repairs for healthier, smoother, shinier hair with each use—shown to reduce breakage and strengthen all types of hair.
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Damage, Split Ends, and Breakage
- Dryness
- Shine
Key Benefits:
- Gently cleanses
- Nourishes and hydrates
- Repairs damage and maintains hair health
Highlighted Ingredients:
- Gentle Blend of Coconut Oil-Derived Surfactants: Creates an easy lather that leaves the scalp and hair feeling hydrated.
- Glycerin, Behentrimonium Methosulfate, and Cetearyl Alcohol: Are a blend of humectants and conditioning agents.
Ingredient Callouts: Free of parabens, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, and triclosan. It is also gluten-free and cruelty-free.
What Else You Need to Know: When paired with Olaplex No. 5 Bond Maintenance™ Conditioner (sold separately), this daily shampoo leaves hair softer, shinier, and healthier with each use. It also reduces damage, split ends, frizz, and flyaways. This system improves manageability and softness for optimum conditioning.
Olaplex products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.
Clinical Results: In a controlled study, results showed:
- 73% smoother, easier-to-detangle, more conditioned hair
- 49% reduction in breakage
In a controlled study, when used as a system with No.3 and No.5 (each sold separately):
- Hair was 90% smoother, more conditioned, and easier to detangle
Hair Texture: Straight, Wavy, Curly, and Coily
Hair Type: Fine, Medium, and Thick
Hair Concerns:
- Damage, Split Ends, and Breakage
- Dryness
- Shine
Key Benefits:
- Gently cleanses
- Nourishes and hydrates
- Repairs damage and maintains hair health
Highlighted Ingredients:
- Gentle Blend of Coconut Oil-Derived Surfactants: Creates an easy lather that leaves the scalp and hair feeling hydrated.
- Glycerin, Behentrimonium Methosulfate, and Cetearyl Alcohol: Are a blend of humectants and conditioning agents.
Ingredient Callouts: Free of parabens, phthalates, mineral oil, retinyl palmitate, oxybenzone, coal tar, hydroquinone, sulfates SLS & SLES, triclocarban, and triclosan. It is also gluten-free and cruelty-free.
What Else You Need to Know: When paired with Olaplex No. 5 Bond Maintenance™ Conditioner (sold separately), this daily shampoo leaves hair softer, shinier, and healthier with each use. It also reduces damage, split ends, frizz, and flyaways. This system improves manageability and softness for optimum conditioning.
Olaplex products are thoroughly tested in accordance with industry standards in-house and by independent third-party laboratories for safety and efficacy.
Clinical Results: In a controlled study, results showed:
- 73% smoother, easier-to-detangle, more conditioned hair
- 49% reduction in breakage
In a controlled study, when used as a system with No.3 and No.5 (each sold separately):
- Hair was 90% smoother, more conditioned, and easier to detangle
-Gentle Blend of Coconut Oil-Derived Surfactants: Creates an easy lather that leaves the scalp and hair feeling hydrated.
-Glycerin, Behentrimonium Methosulfate, and Cetearyl Alcohol: Are a blend of humectants and conditioning agents.
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.
-Glycerin, Behentrimonium Methosulfate, and Cetearyl Alcohol: Are a blend of humectants and conditioning agents.
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.
Suggested Usage:
-Apply and massage product throughout hair.
-Rinse, then follow with
Follow with Olaplex No. 5 Bond Maintenance™ Conditioner (sold separately).
-Formulated for daily/every-wash use.
Pro tip:
-A little goes a long way. Start with a quarter-size squeeze and work your way up if needed.
-Apply and massage product throughout hair.
-Rinse, then follow with
Follow with Olaplex No. 5 Bond Maintenance™ Conditioner (sold separately).
-Formulated for daily/every-wash use.
Pro tip:
-A little goes a long way. Start with a quarter-size squeeze and work your way up if needed.
Use It With
Questions & Answers (0)
MEET Olaplex | We're founded on the principle of doing everything others don't and we are changing the world of hair based on this principle. We’re a team of chemists, industry experts and innovators developing beauty products based on science. Our technology and products are patent protected, award winning, and are found in top salons worldwide.
