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Summary
OLAPLEX No.4FINE BOND MAINTENANCE Volumizing and Strengthening Shampoo is an ultra-light, clinically proven fine hair shampoo to volumize and strengthen.
Benefits
- Gently cleanses without stripping
- Strengthens and protects
- Removes buildup to help volumize and lift at the roots
Research Results
- Doubles hair volume instantly for 8 hours
- 60% reduction in breakage*
- Clinically proven to repair and prevent future damage
- Clinically proven to strengthen hair
- *Tested on bleached hair
Key Ingredients
- Flexible polymers help to provide volume and lift at the root
- Low Molecular Weight Hyaluronic Acid promotes soft, hydrated hair
- Hydra-Balancing Matrix leaves fine hair weightlessly clean and hydrated without over-conditioning
Apply to wet hair. Lather. Rinse.
Follow with No. 5FINE BOND MAINTENANCE® CONDITIONER.
Aqua/Water/Eau, Behentrimonium Chloride, Cetyl Alcohol, Propanediol, Glycerin, Polyquaternium-37, C13-15 Alkane, Bis-Aminopropyl Diglycol Dimaleate, Phenoxyethanol, Parfum/Fragrance, Guar Hydroxypropyltrimonium Chloride, Lecithin, Isopropyl Alcohol, Polyester-11, Sclerotium Gum, Chlorphenesin, Glycine Soja (Soybean) Seed Extract, Triheptanoin, Panthenol, Stearamidopropyl Dimethylamine, Coco-Caprylate/Caprate, Ethylhexylglycerin, Polyimide-1, Oryza Sativa (Rice) Bran Extract, Niacinamide, Vitis Vinifera (Grape) Seed Oil, 1,2-Hexanediol, Sarcosine, Hydrolyzed Quinoa, Citric Acid, Dilinoleic Acid/Butanediol Copolymer, Pisum Sativum (Pea) Seed Extract, Propylene Glycol, Helianthus Annuus (Sunflower) Extract, Trisodium Ethylenediamine Disuccinate, Hexyl Cinnamal, Limonene, Rosmarinus Officinalis (Rosemary) Leaf Extract, Tocopherol, Sodium Hyaluronate, Ethyl Lauroyl Arginate HCI, Arginine, Tetrasodium Glutamate Diacetate, Sodium Benzoate, Benzyl Alcohol, Castor Oil/IPDI Copolymer, Potassium Sorbate, Caesalpinia Spinosa Fruit Extract, Helianthus Annuus (Sunflower) Sprout Extract, Sodium Hydroxide, Amaranthus Caudatus Seed Extract, Jojoba Esters, Helianthus Annuus (Sunflower) Seed Wax, Polyglycerin-3, Yellow 5 (CI 19140), Yellow 6 (CI 15985).
This brand is excluded from most Ulta Beauty coupons.
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Reviews
Write A REVIEWReview Snapshot
by PowerReviews
Ratings Distribution
Hair Type
- 108Wavy Hair
- 81Straight Hair
- 19Very Curly Hair
Most Helpful Positive Review
Amazing!
No.4 Fine Bond Maintenance and Volumizing Shampoo from Oplex is a fantastic product that has garnered a lot of attention for its impressive formula and results. This shampoo is specifically designed for fine hair types, focusing on strengthening and volumizing while maintaining the hair's health. ...
Most Helpful Critical Review
Varied results
I have fine (and thinning) hair so it's nice to have a formula specifically for this need. The scent is fresh, clean, and citrusy without being overbearing. I did notice it doesn't suds up/lather very nicely so it's doesn't feel like it's doing a good job as you apply to scalp and hair in shower but...
323 results
Lightweight, Effective, and Worth It!
I'm really impressed with the Olaplex No.4 Fine Bond Maintenance Shampoo! It lathers beautifully, making the washing experience feel luxurious and thorough. My hair feels soft, light, and incredibly clean without being stripped or dried out. What I love most is that it doesn't weigh down my hair or leave any greasy residue. I have fine hair that gets oily quickly, but with this shampoo, it stays fresh and voluminous much longer. The scent oddly reminds me of hair dye, but it's not a problem at all because the shampoo truly delivers results. My scalp feels balanced, and overall, my hair looks healthier and more manageable after each use. I genuinely enjoy using it and look forward to washing my hair now. I'll definitely keep this in my routine. Product was received as a part of an educational promotion.

Hair Feels So Fresh and Clean!
I'm really impressed with the Olaplex No.4 Fine Bond Maintenance Shampoo! It lathers beautifully, making the washing experience feel luxurious and thorough. My hair feels soft, light, and incredibly clean without being stripped or dried out. What I love most is that it doesn't weigh down my hair or leave any greasy residue. I have fine hair that gets oily quickly, but with this shampoo, it stays fresh and voluminous much longer. The scent oddly reminds me of hair dye, but it's not a problem at all because the shampoo truly delivers results. My scalp feels balanced, and overall, my hair looks healthier and more manageable after each use. I genuinely enjoy using it and look forward to washing my hair now. I'll definitely keep this in my routine. Product was received as a part of an educational promotion.
Love!
Hair Type Straight Hair
Absolutely love this shampoo. I have thin, fine hair that gets oily quite easily - so I need a shampoo that will get all the product and oil out of my hair but does not strip it or making it feel or look weak or straggly. I find this shampoo suds up so nicely in my hands, lathers nicely in my hair, and makes my hair feel so healthy and clean after using. I love the classic olaplex scent - very clean and fresh smelling. I notice afterwards that my hair feels rejuvenated and looks a lot healthier and fuller, even after just the first use. Using it multiple times really helps bring out how healthy my hair looks! I love pairing this with the matching conditioner for the best results of my hair looking smooth, healthy, and shiny. This is a must buy for fine hair!
Miracle Worker!
Hair Type Wavy Hair
Let me just start by saying — I've used a lot of shampoos in the beauty game, but Olaplex No. 4D is a total standout. I've been using it consistently for a few weeks now, and I can confidently say: this shampoo delivers. What drew me in initially was the promise of volume without compromising hair health, and Olaplex nailed it. From the first wash, my hair felt lighter, bouncier, and genuinely cleaner — but not stripped. You know that dry, squeaky feeling some shampoos give you? None of that here. Instead, it felt hydrated yet fresh. The formula is super concentrated, so a little goes a long way. I only needed a dime-sized amount, and it lathered beautifully. It has that signature Olaplex scent — fresh, slightly citrusy, salon-grade — and it made my shower feel like a luxe hair treatment session. What really impressed me was the bond-building technology they're famous for. After styling, my hair looked noticeably stronger and shinier. I've been dealing with some breakage lately, especially at the ends, and I noticed a subtle difference after just a few uses. It's not a miracle overnight fix, but it's clearly working over time. As for volume — YES. My roots had lift without feeling product-heavy or sticky, and my style held throughout the day. It pairs well with my other Olaplex faves, but honestly, it's strong enough to use solo and still get noticeable results. Final thoughts: If your hair needs strength, volume, and overall TLC, Olaplex No. 4D is absolutely worth it. Great for color-treated, damaged, or fine hair — and perfect if you want your hair to feel healthy and full without the buildup. This product was provided for promotional purposes in exchange for my honest review,


Disappointed
Hair Type Straight Hair
I love the original olaplex so I was excited when I saw this version come out. Unfortunately it left my hair very dry, dull, and never felt clean. It definitely added volume, but felt starchy all the time. I have a more oily scalp and this product just didn't feel like I was ever clean. I ended up returning