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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
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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
One of the worst shampoos I've ever used
Hair Type Wavy Hair
It is SOOOO drying and made my hair start breaking and having to be washed WAY more frequently (went from shampooing 1-2 times a week to 3-4). My hair stylist says it's way too much protein in the hair and causes the hair to get oily. As someone who has curly hair that is naturally dry, I thought this would help but it actually ruined my hair in only a couple months. Would NOT recommend.
Stronger, Softer Hair After Every Wash
Hair Type Straight Hair
I've been using the No.4 Bond Maintenance Strengthening & Hydrating Hair Repair Shampoo for a few weeks now, and it's made a noticeable difference in how my hair feels. It cleanses really well without leaving my hair stripped or dry, which is something I struggle with when using strengthening shampoos. My hair feels softer, smoother, and much more manageable after washing, and I've also noticed less breakage when brushing. The texture is rich and lathers nicely, so a little goes a long way. It's especially great if your hair feels damaged from heat styling or coloring but you still want hydration and shine. Overall, it leaves my hair looking healthier and feeling stronger after each wash.
Olaplex gold standard
Hair Type Wavy Hair
The best product overall in my experience is olaplex . I switch off between this and Redken, sometimes Oribe. I always come back to it as my hair/scalp needs a switch up now and then. Even the mini sizes are so reasonably priced with plenty of product unlike some other brands in mini sizes.
Love this
My hair is fine thin and soft however, this shampoo brought so much nourishment to my hair it moisturized clean and not leaving it filling, stripped of any oils
DONT BUY THIS!
I had thick gorgeous hair. When I started using the shampoo and conditioner I lost SO MUCH HAIR. My hair is now thin. I have seen many people online say the same thing. Use at your own risk.