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Highlights
Summary
A highly concentrated shampoo for medium-coarse hair that repairs everyday damage to strengthen, reinforce, nourish, and boost shine in 1 wash.
Benefits
- Repairs 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
Key Ingredients
- Gentle Blend of Coconut Oil-Derived Surfactants
Research Results
- Clinically Proven, in 1 Wash:
- Repairs everyday damage and strengthens hair at a molecular level*
- 73% Increase in hydration for soft, shiny, and more manageable hair
- *When used as a system with No.5 Bond Maintenance Shampoo
Item 2591015
A little goes a long way with this highly concentrated formula. Dispense and emulsify in hands. Apply to wet hair. Lather thoroughly and rinse well. Follow with No.5 Bond Maintenance® Conditioner or OLAPLEX mask of choice.
Water/Aqua/Eau, Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Potassium Cocoyl Glycinate, Disodium Cocoyl Glutamate, Potassium Cocoate, Sodium Lauroyl Sarcosinate, Decyl Glucoside, Glycereth-26, Bis-Aminopropyl Diglycol Dimaleate, Cocamidopropylamine Oxide, Sodium Chloride, Glycol Distearate, Sodium Cocoyl Glutamate, Methyl Gluceth-20, Acrylates Copolymer, Disodium Laureth Sulfosuccinate, PEG-120 Methyl Glucose Dioleate, Amodimethicone, Citric Acid, Polyquaternium-10, Sodium Lauryl Sulfoacetate, Ethylhexylglycerin, Divinyldimethicone/Dimethicone Copolymer, Polyquaternium-11, Guar Hydroxypropyltrimonium Chloride, Trisodium Ethylenediamine Disuccinate, C11-15 Alketh-7, Glycerin, Laureth-9, Trideceth-12, Tetrasodium Iminodisuccinate, Panthenol, C12-13 Alketh-23, C12-13 Alketh-3, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Sodium Hydroxide, Helianthus Annuus (Sunflower) Seed Oil, Disodium EDTA, Tocopherol, Prunus Armeniaca (Apricot) Kernel Oil, Pseudozyma Epicola/Camellia Sinensis Seed Oil Ferment Extract Filtrate, Argania Spinosa Kernel Oil, Quaternium-95, Helianthus Annuus (Sunflower) Seed Extract, Propanediol, PEG-8, Origanum Vulgare Leaf Extract, Euterpe Oleracea Fruit Extract, Candida Bombicola/Glucose/Methyl Rapeseedate Ferment, Morinda Citrifolia Fruit Extract, PEG-8/SMDI Copolymer, Sodium Hyaluronate, Palmitoyl Myristyl Serinate, Sodium Polyacrylate, Arctium Lappa Root Extract, Musa Sapientum (Banana) Fruit Extract, Punica Granatum Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Potassium Sorbate, Chlorphenesin, Sodium Benzoate, Phenoxyethanol, Fragrance (Parfum), Citral, Hexyl Cinnamal, Limonene.
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Questions
Ask a QuestionQ&A
Showing 5 out of 15 Questions
- Q
Is this shampoo considered light for clarifying?
- Asked by JB
- Official Answer By Olaplex - Brand EngageNo.4 is not a clarifying shampoo. It’s a gentle, reparative formula designed for daily cleansing while maintaining moisture and supporting stronger-looking hair.Was this answer helpful to you
- Q
Is this product color safe for bleached hair?
- Asked by Michelle
- Official Answer By Olaplex - Brand EngageYes, Nº.4 Bond Maintenance Shampoo is safe for bleached and color-treated hair. It helps gently cleanse while strengthening and repairing damaged bonds.Was this answer helpful to you
- Q
Is Olaplex No.4 safe for color-treated hair?
- Asked by dry hair
- Official Answer By Olaplex - Brand EngageYes, Nº.4 Bond Maintenance Shampoo is color-safe and formulated to help maintain healthy, vibrant-looking color while strengthening the hair.Was this answer helpful to you
- Q
Is this product gluten free?
- Asked by curly-haired-diva
- Official Answer By Olaplex - Brand EngageYes, No.4 Bond Maintenance Shampoo is formulated without gluten-containing ingredients.Was this answer helpful to you
- Q
Is your brand vegan or safe for those with lanolin allergies?
- Asked by K
- Official Answer By Olaplex - Brand EngageOLAPLEX products are vegan and do not contain lanolin, making them suitable for those with lanolin allergies.Was this answer helpful to you
Reviews
Write A REVIEWReview Snapshot
by PowerReviews
Ratings Distribution
Best Uses
Describe Yourself
Hair Type
Most Helpful Positive Review
Excellent Shampoo
I was out of Olaplex shampoo and conditioner for about a month, maybe two, & noticed that my hair was unruly and falling out (splitting at the ends) faster than usual. I wash my hair daily and Olaplex is the only shampoo that I like to use since I wash it so frequently. My hair is now shiny and loo...
Most Helpful Critical Review
Low porosity/Coil/4C-ish hair girlies, stay AWAY!!
I will leave this review on all the products I used that caused HUGE CHUNKS of my hair to fall out on wash day after using them as instructed. I get a silk press about 2-3 times and year and before using their products my hair was mid-back length, thick, with voluminous layers. However, due to low...
1848 results
Best for my greasy hair!
After years of fighting with my greasy hair and countless of products used, i finally found this one 2 years ago, and now finally i dont have a greasy hair the day after i washed it! It isually last 3 days, which is such a huge improvement for me 🥰🥰
THIS MADE MY THINING, DAMAGED HAIR COME ALIVE AGAINCURLY
I have been dealing with hair breakage, hair fallout, damage from coloring etc for years now. I have tried almost every shampoo / conditioner..from low end to high end ( Maui, Redkin, Cecred, Shakira's, and recently Purology ) and nothing compares to how my hair LOOKS and FEELS after using the Olaplex system ( # 4, 5, 6, 7 ). Its unbelievable. Im so happy I have found the perfect hair care system. It smells great, lathers perfectly, is moisturizing, and leaves my curly hair bouncy, shiny, and most importantly - healthy. I would highly recommend Olaplex to anyone needing a great repairative shampoo / hair care. A+++++
Very Drying
I would not recommend this product. My hair felt like straw after using it. There are much better products on the market, including drugstore brands that are half the price.
Miracle in a bottle
Hair Type Very Curly Hair
I've got dry curl highlighted hair and this is 1 of the few shampoos that makes a huge difference bin my hair. It's also thinning , make sure to use their conditioner otherwise it's not as impressive once dry.

I WOULD BUY THIS AGAIN AND AGAIN
Hair Type Straight Hair
I WOULD BUY THIS AGAIN AND AGAIN