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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 2631015
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.
Ingredients are subject to change. For the most current ingredient list, please consult the product packaging of the item you received
This brand is excluded from most Ulta Beauty coupons.
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Reviews
Review 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...
1912 results
Made my hair smoother.
It left my hair smelling clean and looking smoother with less split ends. *This product was received as a part of an educational promotion.*
The best!
Hair Type Wavy Hair
I've really enjoyed using this shampoo. It cleanses my hair thoroughly without leaving it feeling stripped or dry. My hair feels softer, stronger, and looks healthier after every wash. It creates a rich lather, rinses out easily, and a small amount is enough, making it last a long time. I've also noticed less breakage and better manageability. It works especially well when paired with the matching conditioner. A great choice for damaged or color-treated hair!

Salon-Quality Care for Damaged Hair
Hair Type Straight Hair
No.4 Bond Maintenance Strengthening, Hydrating Hair Repair Shampoo Review No.4 Bond Maintenance Strengthening, Hydrating Hair Repair Shampoo has become a popular choice for people looking to repair damaged, dry, or chemically treated hair. Designed to cleanse gently while supporting stronger, healthier strands, this shampoo is often recommended for hair that has been exposed to coloring, bleaching, heat styling, or environmental stress. One of the standout features of this shampoo is its rich yet lightweight formula. It creates a luxurious lather without feeling harsh or stripping the scalp of its natural oils. Unlike many traditional shampoos that can leave hair feeling dry after washing, this product leaves hair feeling soft, hydrated, and noticeably smoother. Even after the first few uses, many users report that their hair becomes more manageable, with less frizz and improved shine. The shampoo is formulated to strengthen weakened hair by helping reduce breakage and split ends. While no shampoo can completely repair severely damaged hair on its own, this product works well as part of a consistent hair care routine. Over time, hair tends to feel stronger, healthier, and more resilient. Those with color-treated hair also appreciate that it helps maintain vibrancy without causing premature fading. Another advantage is its concentrated formula. A small amount goes a long way, making the bottle last longer than many comparable premium shampoos. The creamy texture spreads evenly through the hair, making it easy to cleanse thoroughly without using excessive product. This offers good value despite its higher price point. The shampoo is suitable for a wide range of hair types, including straight, wavy, curly, and coily hair. It performs particularly well on dry, damaged, and chemically processed hair, where its hydrating ingredients can make a noticeable difference. People with fine hair may also enjoy its strengthening benefits, although using too much product could weigh the hair down slightly. Adjusting the amount based on hair length and thickness helps achieve the best results. One minor drawback is its premium price. Compared to drugstore shampoos, it is significantly more expensive, which may not fit every budget. However, many users feel the quality of the formula and the long-lasting bottle justify the investment. Additionally, those with very oily scalps may find that they need to alternate it with a more clarifying shampoo occasionally to maintain a fresh scalp. For optimal results, pairing the shampoo with the matching conditioner can enhance hydration, improve manageability, and further reduce breakage. Regular use, combined with minimizing heat damage and maintaining healthy hair care habits, can help maximize the shampoo's benefits. Overall, No.4 Bond Maintenance Strengthening, Hydrating Hair Repair Shampoo delivers excellent performance for individuals seeking stronger, smoother, and healthier-looking hair. Its gentle cleansing action, nourishing formula, and ability to improve softness and shine make it a standout option in the premium hair care category. Although it comes at a higher cost, its effectiveness, concentrated formula, and consistent results make it a worthwhile investment for anyone focused on repairing and maintaining damaged hair. It earns a strong recommendation for those looking to elevate their hair care routine with a salon-quality product that prioritizes both strength and hydration.



love this!
Hair Type Wavy Hair
I'm pretty new to Olaplex, I've used some of their products in the past, but this shampoo is incredible! My hair looks so healthy and shiny, I'm obsessed!
This product is a GAMECHANGER
Hair Type Wavy Hair
I've been really impressed with this product. It gives my hair a deep clean without leaving it feeling stripped, and I've noticed less breakage and more shine with every use. My hair feels stronger, softer, and much easier to manage. Definitely worth a try if your hair needs some TLC.


Questions
Q&A
Showing 16 out of 16 Questions
- Q
Is this shampoo safe for keratin-treated hair?
- Asked by Dani
- Official Answer By Olaplex - Brand EngageYes, it is safe for keratin-treated hair as it is sulfate-free and designed to gently cleanse without stripping treatments.Was this answer helpful to you
- 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
- Q
Can olaplex No. 4 be recommended to wash human hair wigs?
- Asked by Robroz
- Official Answer By Olaplex - Brand EngageYes, OLAPLEX No.4 can be used on human hair wigs, as it is formulated to gently cleanse while helping maintain strength, softness, and manageability.Was this answer helpful to you
- Q
I ordered this item online and when it got to me it wasn't full. The product stopped at the top of the label leaving about two inches of space from the top. Is this how they fill their product or do i need to exchange it because its bee used?
- Asked by Em
- Official Answer By Olaplex - Brand EngageOur bottles are filled by weight, not to the top, so some space is normal and does not indicate the product has been used. If you believe your item arrived damaged or leaking, please contact the retailer for assistance.Was this answer helpful to you
- Q
Can this be used daily/weekly? Or only if your hair is damaged?
- Asked by Ginni
- Official Answer By Olaplex - Brand EngageYes, No.4 can be used every time you shampoo. It’s suitable for daily or weekly use, whether your hair is damaged or not. It gently cleanses while helping maintain healthy looking hair, so you can use it as your regular shampoo based on your routine and hair needs.Was this answer helpful to you
- Q
which number 4 shampoo is better for permed and high lighten hair
- Asked by sjgoose
- Official Answer By Olaplex - Brand EngageNo.4 Bond Maintenance Shampoo is suitable for all hair types, but it’s especially helpful for chemically treated or lightened hair because it helps strengthen and reduce damage.Was this answer helpful to you
- Q
Is this good for an irritated, itchy, flaky scalp?
- Asked by Kim
- Official Answer By Olaplex - Brand EngageNo.4 Bond Maintenance Shampoo is formulated for hair repair, not as a scalp treatment. If irritation persists, we recommend discontinuing use and consulting a dermatologist.Was this answer helpful to you
- Q
Is this product unscented?
- Asked by Joy
- Official Answer By Olaplex - Brand EngageNo.4 Bond Maintenance Shampoo is not unscented. It has the signature OLAPLEX fragrance light, clean, and not overpowering.Was this answer helpful to you
- Q
Is it ok for color treated hair?
- Asked by Michele
- Official Answer By Olaplex - Brand EngageYes! It is completely safe for color-treated hair. In fact, it helps strengthen and repair the hair bonds that can be damaged during coloring or chemical treatments, keeping your color vibrant and your hair healthy.Was this answer helpful to you
- Q
Is this shampoo sulfate-free?
- Asked by Tone Setter
- Official Answer By Olaplex - Brand EngageYes, OLAPLEX No.4 Bond Maintenance Shampoo is formulated without sulfates. It’s gentle and safe for all hair types, including color-treated hair.Was this answer helpful to you
- Q
This good for low porosity 1a thick hair type. What other products can i ues for my hair type.
- Asked by Shatoria
- Official Answer By Olaplex - Brand EngageOLAPLEX No.4 Bond Maintenance Shampoo works well for all hair types, including low porosity and straight hair, as it helps strengthen and hydrate without weighing hair down.Was this answer helpful to you
- Q
Is it good for thin oily hair?
- Asked by Wendy
- Official Answer By Olaplex - Brand EngageYes, No.4 is lightweight and suitable for all hair types, including thin and oily hair. It helps strengthen and hydrate without weighing the hair down. For oily hair, we recommend focusing on the scalp when shampooing and rinsing thoroughly.Was this answer helpful to you