No. 4 Bond Maintenance Strengthening Shampoo

No. 4 Bond Maintenance Strengthening Shampoo is rated 4.7 out of 5 by 226.
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8.5 oz.
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What It Is

Formulated with Olaplex Bond Building chemistry. Restores internal strength and moisture levels to add incredible shine and manageability. For all hair types.

A highly moisturizing, reparative shampoo that leaves hair easy to manage, shiny and healthier with each use. N°4 is color-safe, sulfate-free, and proven to reduce breakage and strengthen all types of hair.

 

Key benefits:

• Repairs and maintains bonds within the hair

• Eliminates frizz and flyaways

• Reduces breakage

What It Does

• Helps protect and restore damaged hair by repairing disulfide bonds broken during chemical processing.

• Non- drying, gentle on color treated and chemically processed hair and scalp.

• Leaves hair feeling amazingly clean and bouncy.

• Moisturizes and hydrates thirsty, dry hair.

• Provides moisture and shine which results in radiant-looking and luxurious-feeling hair.

What Else You Need to Know

Product Tip: Use N°5 Conditioner for every hair wash, with N°4 to add extra shine and strength to your hair.

1. Part of the Olaplex 3-4-5 regimen. Can be used after Olaplex No.3 Hair Perfector from hair.

1. After using Olaplex N°4 Bond Maintenance Shampoo, apply a generous amount from scalp to tip.

2. Leave on for three minutes, then rinse.

Aqua (Water, Eau), Sodium Lauroyl Methyl Isethionate, Cocamidopropyl Hydroxysultaine, Potassium Cocoyl Glycinate, Disodium Cocoyl Glutamate, Potassium Cocoate, Sodium Lauroyl Sarcosinate, Sodium Methyl Isethionate, Glycereth-26, Decyl Glucoside, Bis-Aminopropyl Diglycol Dimaleate, Biotin, Sodium Hyaluronate, Panthenol, Tocopherol, Euterpe Oleracea Fruit Extract, Musa Sapientum (Banana) Fruit Extract, Arctium Lappa Root Extract, Punica Granatum Bark/Fruit Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Camellia Sinensis Leaf Extract, Morinda Citrifolia Fruit Extract, Origanum Vulgare Leaf Extract, Helianthus Annuus (Sunflower) Seed Oil, Prunus Armeniaca (Apricot) Kernel Oil, Argania Spinosa Kernel Oil, Helianthus Annuus (Sunflower) Seed Extract, Hydrolyzed Vegetable Protein PG-Propyl Silanetriol, Palmitoyl Myristyl Serinate, Polyquaternium-10, Polyquaternium-11, Guar Hydroxypropyltrimonium Chloride, Caprylyl Glycol, Amodimethicone, Divinyldimethicone/Dimethicone Copolymer, Sodium Cocoyl Glutamate, Glycol Distearate, Methyl Gluceth-20, Acrylates Copolymer, PEG-120 Methyl Glucose Dioleate, Cocamidopropylamine Oxide, Disodium Laureth Sulfosuccinate, Ethylhexylglycerin, Sodium Lauryl Sulfoacetate, C11-15 Alketh-7, Laureth-9, Trideceth-12, Glycerin, Laureth-10, C12-13 Alketh-23, C12-13 Alketh-3, Quaternium-95, Propanediol, PEG-8, PEG-8/SMDI Copolymer, Lauric Acid, Sodium Laurate, Sodium Polyacrylate, Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate, Trisodium Ethylenediamine Disuccinate, Sodium Sulfate, Acetic Acid, Benzoic Acid, Sodium Benzoate, Citric Acid, Potassium Sorbate, Sodium Hydroxide, Phenoxyethanol, Chlorphenesin, Sodium Chloride, Parfum (Fragrance), Citral, Citrus Aurantium Peel Oil, Hexyl Cinnamal, Limonene, Menthol, CI 19140 (Yellow 5), CI 15985 (Yellow 6).

Purchases made in SalonCentric stores may be returned to any SalonCentric store. Purchases made through SalonCentric Customer Service, SalonCentric Business Partners, and SalonCentric.com orders Sold and Shipped by SalonCentric may be returned to a SalonCentric store; however, the return must not exceed $450 and must include the original receipt, packing slip, or invoice. For returns in-store of online orders, the refund will be credited back to the original payment method once the return has been processed. For SalonCentric.com Online Exclusive orders sold and shipped by third-party sellers, please see more details linked below for return steps.

The SalonCentric return policy does not currently apply to Kérastase & Shu Uemura purchases. Kérastase & Shu Uemura do not accept returns.

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Rated 5 out of 5 by from Love this product it makes my hair feel amazing and have been using for a few months.
Date published: 2026-08-27
Rated 5 out of 5 by from Strengthening and Softening Love the Olaplex line! After I use the shampoo I feel like its already conditioning and strengthening my hair.
Date published: 2026-08-27
Rated 5 out of 5 by from Olaplex never lets me down! Olaplex shampoo leaves my hair feeling clean, soft, and noticeably healthier without making it feel dry. I love how it helps smooth and strengthen my hair while keeping it looking shiny and fresh. A little goes a long way, and it’s definitely become one of my favorite shampoos!
Date published: 2026-08-19
Rated 5 out of 5 by from love this I noticed a difference on my hair and my moms hair the first time we started using this shampoo (and conditioner) the difference was HUGE. My hair was softer and shiny. Definitely recommend this as an everyday shampoo and conditioner
Date published: 2026-08-03
Rated 5 out of 5 by from Staple II Pairs beautifully with their Shampoo! Healthy hair that people comment on!
Date published: 2026-07-16
Rated 5 out of 5 by from Buy this shampoo Amazing product for repairing and restoring damaged hair.
Date published: 2026-04-22
Rated 5 out of 5 by from Amazing Olaplex is a wonderful way to keep our clients had healthy. All of my clients are happy with this brand. All products are amazing. I recommend highly. This whole system is worth it. I switch between this system and k18.
Date published: 2026-04-21
Rated 5 out of 5 by from best lather I’ve ever gotten from a shampoo The lather of this product is unbeatable. It feels like heaven on my head! I am excited to try the one for fine hair, but so far this has lived up to its hype and it’s for all hair types!
Date published: 2026-04-14
  • y_2026, m_9, d_14, h_11
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.48
  • cp_1, bvpage1
  • co_hasreviews, tv_183, tr_43
  • loc_en_US, sid_olaplex-bond-maintenance-shampoo-no.4, prod, sort_[SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_saloncentric
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  • reviews, product