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Byrdie / Chloe Jeong
When it comes to your hair, thinning strands aren't something most people wish for. It’s also important to remember that there’s a difference between simply being born with a finer texture, and experiencing actual hair loss and thinning. Even within the latter, there’s a certain amount of shedding that everyone will experience.
“Hair falling is normal as the hair enters a resting phase, called the telogen phase,” explains Suneel Chilukuri, MD, and director of cosmetic surgery at Refresh Dermatology in Houston, Texas. “At any one time, approximately 10 percent of the hair is in this resting phase. It’s normal to lose approximately 100 hairs per day.” In other words, there’s no need to stress about seeing a few strands in your brush or in the shower drain. But on the flip side, there’s true hair loss, which is much more extreme and, “indicates miniaturization of the hair follicle, leading to permanent hair loss,” notes Chilukuri.
But don't panic. It’s important to remember that strong, thick hair can only come from a healthy scalp, which is why it’s a good move to opt for a shampoo made for thinning hair. “The right shampoo can promote a healthier scalp to keep the hair in the anagen (growing phase) longer, which results in less hair fall,” says Chilukuri.
Meet the Expert
Suneel Chilukuri, M.D., is a board-certified and internationally recognized expert on cosmetic and reconstructive surgery practicing out of Houston, TX. He specializes in the C-Lift, a non-surgical facelift technique.
To find out which shampoos truly help tackle thinning hair, we put a few of the top-rated products out there to the test. Our testers used these for weeks at a time, noting how well each formula addressed fallout and overall thickness and fullness. Our team combined these results with expert recommendations and our own research to put together this list.
Ahead, discover the best shampoos for thinning hair.
Best Overall: Biolage Advanced Full Density Thickening Shampoo
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Removes follicle-clogging impurities
Strengthens with biotin, zinc, and a gluco-omega blend
Fights frizz
Strong scent
This pick first goes to town by gently removing follicle-clogging impurities that can impede new hair growth. Then it delivers a host of important nutrients—think biotin, zinc, and a gluco-omega blend—to strengthen the hair you have. So much so that, when used with the accompanying conditioner, it reduces breakage by up to 95 percent. And when you’re already dealing with thinning, the less breakage the better.
Sulfate-Free: No | Size: 13.5 oz. | Cruelty-Free: No | Byrdie Clean: No | Hair Type: Curly, Thin, Straight | Scent: Mint and Clove
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Byrdie / Leigh Weingus
What Our Testers Say
“After losing a lot of hair postpartum, the Biolage Advanced Full Density Thickening Shampoo gave me a fuller-looking head of hair with plenty of shine.” — Leigh Weingus, Product Tester
Best Budget: Viviscal Gorgeous Growth Densifying Shampoo
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Thickens hair with a proprietary complex
Strengthens with keratin, biotin, and zinc
Works for all hair types and textures
May strip color-treated hair
The oral hair supplement this brand makes is a cult favorite, but their topical products are just as good. Take this sudser. It works well on all hair types and textures, can be used daily, and, along with strengthening ingredients such as keratin, biotin, and zinc, it also contains their proprietary Ana:Tel complex to promote thicker hair, too. Bonus points for the fresh, botanical scent and affordable price.
Sulfate-Free: No | Size: 8.45 oz. | Cruelty-Free: Yes | Byrdie Clean: Yes | Hair Type: Frizzy, Dry | Scent: Botanical
What Our Testers Say
“With ingredients like biotin, panthenol, and keratin that help hair to feel and look thicker, I consider this shampoo all in all to be a total steal.” — Ashley Rebecca, Product Tester
Best Anti-Dandruff: Nizoral Anti-Dandruff Shampoo
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It's anti-fungal
Fights chronic dandruff that causes shedding
Rich, thick lather
Bottle is small
It may not seem like the most obvious connection, but untreated, chronic dandruff may be linked to unwanted shedding. The active ingredient in this pick, ketoconazole (say that three times fast), is an “anti-fungal and anti-yeast medication that has been shown, when taken systemically, to disrupt the action of DHT,” says Dr. Jeremy Fenton of Schweiger Dermatology Group in New York City. (DHT is a hormone that affects the hair follicle and can lead to thinning hair.)
“When using this shampoo, let it sit for two to three minutes on the scalp before rinsing to get the most benefit," he suggests. Fewer flakes and thicker hair? Yes, please.
Sulfate-Free: No | Size: 4 oz. | Cruelty-Free: No | Byrdie Clean: No | Hair Type: All | Scent: Fresh
Best for Natural Hair: SheaMoisture Jamaican Black Castor Oil Strengthen & Restore Shampoo
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Thickens and strengthens curls and kinks
Castor oil increases scalp circulation
Hydrating
Thin and runny formula
This ultra-hydrating shampoo is ideal for those with curly or kinky hair who want to grow their strands thicker and stronger. Users rave that they can retain length and thickness without sacrificing a squeaky clean.
Sulfate-Free: Yes | Size: 13 oz. | Cruelty-Free: Yes | Byrdie Clean: Yes | Hair Type: Curly, Wavy, Damaged and Treated | Scent: Peppermint
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Byrdie / Leigh Weingus
What Our Testers Say
“Shoutout to Shea Moisture for creating a product that is full of ingredients I love: Shea butter, peppermint, and apple cider vinegar are all favorites of mine.” — Leigh Weingus, Product Tester
Best for Damaged Hair: Jason Thin to Thick Extra Volume Shampoo
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Cleanses with botanical extracts
Non-stripping
Strengthens with panthenol and biotin
Strong medicinal scent
Sulfate- and paraben-free, this instead uses botanical extracts to gently cleanse hair, without over-drying or stripping it (a major no-no for damaged strands). Couple that with the addition of strengthening panthenol and biotin, and you have the perfect recipe for thicker, stronger strands.
Sulfate-Free: No | Size: 8 oz. | Cruelty-Free: Yes | Byrdie Clean: No | Hair Type: Fine | Scent: Citrus, Peppermint
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Byrdie / Joline Buscemi
What Our Testers Say
"The Jason Thin to Thick Extra Volume Shampoo is a budget-friendly shampoo with a clean formula that made my hair feel soft and weightless." — Joline Buscemi, Product Tester
Best System: Aveda Invati Advanced Three-Step Kit
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Multi-pronged approach to hair loss
Shampoo exfoliates scalp and removes impurities
Conditioner and scalp treatment reduce breakage
Pricey
Taking a multi-pronged, multi-step approach is the most effective way to target hair loss; this three-part system makes it easy to do just that. Start with this exfoliating shampoo, which uses wintergreen-derived salicylic acid to clear out impurities that can clog hair follicles, while also gently cleansing and detangling. Follow that up with the conditioner and leave-in scalp revitalizer to reduce hair loss due to breakage by up to 53% in just 12 weeks.
Sulfate-Free: No | Cruelty-Free: Yes | Byrdie Clean: No | Hair Type: Fine | Scent: Wintergreen
Best Natural: Seed Phytonutrients Volume Shampoo
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Grapefruit seed oil reduces oil production
Rice protein strengthens and thickens
Sustainable packaging
Strong scent
Loaded with natural ingredients and free of questionable chemicals, this relies on grapefruit seed oil and rice protein. Even the (addicting) scent is completely naturally derived, and the unique paper bottle with minimal plastic minimizes your environmental impact, too.
Sulfate-Free: Yes | Size: 8.5 oz. | Cruelty-Free: Yes | Byrdie Clean: Yes | Hair Type: Fine | Scent: Garden Mint, Vanilla
Best for Scalp: Nioxin Scalp Optimizing Cleanser for Thinning Hair
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Antioxidants and essential oils target scalp inflammation and irritation
Fights dandruff and flakes
Strengthens the hair to prevent breakage
Contains some iffy ingredients
This shampoo gets right to the root of the issue (pun intended, obviously).
“Nioxin formulates their shampoos with antioxidants, peppermint oil, tea tree oil, and amino acids that are designed to strengthen the hair and prevent damage. It may not prevent hair loss, but it may help strengthen and improve the hair that you have,” says Fenton. Reach for this two to three times a week, more often if you have a particularly stressed out scalp.
Sulfate-Free: No | Size: 6.8 oz. | Cruelty-Free: No | Byrdie Clean: No | Hair Type: Fine, Dry | Scent: Peppermint
Best Volumizing: Living Proof Full Shampoo
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Patented molecule cleanses and repels dirt and oil
Gives body to fine, limp hair
Keeps hair cleaner, longer
Pricey
No matter whether your hair is naturally fine, you’re experiencing more shedding, or that dreaded combination of both, reach for this guy. The star of the show is a patented healthy hair molecule, which efficiently and effectively removes residue and build-up. Less gunk and grime equals thicker, fuller hair. Plus, that molecule also repels dirt and oil so hair stays cleaner, longer. We’re not mad about that.
Sulfate-Free: Yes | Size: 8 oz. | Cruelty-Free: Yes | Byrdie Clean: No | Hair Type: Fine, Treated | Scent: N/A
Best for Colored Hair: Verb Volume Shampoo
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Copolymer adds body and hold
Hydrolyzed keratin protein strengthens
Provides UV protection
May be slightly drying
A patented copolymer adds both body and hold, while hydrolyzed keratin protein adds strength and pliability. While it’s great for all hair types, we especially like it for colored hair; not only is it free of sulfates, it also offers UV protection to ward off fading and color changes.
Sulfate-Free: Yes | Size: 12 oz. | Cruelty-Free: Yes | Byrdie Clean: No | Hair Type: All | Scent: Grapefruit, Oatmeal
Best Strengthening: Mielle Rosemary Mint Strengthening Shampoo
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Improves scalp health
Biotin strengthens and thickens
A little goes a long way
May be slightly drying
When it comes to thinning hair, you want to go for a product that targets the scalp first, and this rosemary mint shampoo does just that. The formula is infused with biotin, which is clinically proven to fortify your hair with the nutrients it needs to grow thicker and stronger. You'll also love that a little goes a long way, so you're totally getting your money's worth.
Sulfate-Free: Yes | Size: 12 oz. | Cruelty-Free: Yes | Byrdie Clean: Yes | Hair Type: Curly | Scent: Rosemary Mint
Best Dry Shampoo: TruHair Volcanic Volume Dry Shampoo Paste
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Absorbs excess oil while adding volume
Refreshes between shampoos
Fortifies hair with coconut and argan oils
Too much product may cause stickiness
Part dry shampoo, part styler, this is an easy way to boost limp locks, fast. Volcanic spring powder coupled with argan and coconut oils gives it its creamy consistency. To use, massage a dime-sized amount into your roots with your fingertips and repeat as needed. Not only will it absorb excess oil, but it also bulks up the hairs for an instantly fuller look.
Sulfate-Free: No | Size: 2 oz. | Cruelty-Free: Yes | Byrdie Clean: Yes
Final Verdict
“When it comes to thinning hair, the most important thing is to be consistent with your routine and be patient,” says Adam Federico, Director of Content for R + Co. If you're looking to begin repairing your thinning hair, Biolage Advanced Full Density Thickening Shampoo is a foolproof pick. Composed of Biotin, Zinc, and a Gluco-omega blend, it will remove follicle-clogging impurities that can prevent new hair growth while strengthening your hair. If your hair thinning is due to chronic dandruff, Nizoral Anti-Dandruff Shampoo will help because of its infusion of the anti-fungal ingredient ketoconazole. Lastly, for some affordable options that are super effective, try Viviscal Gorgeous Growth Densifying Shampoo, OGX Biotin & Collagen Shampoo, and Mielle’s Rosemary Mint Strengthening Shampoo.
Meet the Expert
- Jeremy Fenton, MD, is a board-certified dermatologist at Schweiger Dermatology Group in New York City.
- Adam Federico is a hairstylist and the director of content for R + Co.
- Chelsey Pickthorn is a hairstylist and hair care expert at Davines.
- Neil Sadick, MD is a board-certified dermatologist at Sadick Dermatology in New York City.
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What to Look For in a Shampoo for Thinning Hair
Strengthening Ingredients
When you’re already dealing with thinning hair, you want to prevent breakage as much as you can. To do this, your hair needs to strengthen with ingredients like biotin, keratin, and zinc. “Biotin improves the internal structure of the hair which can help to prevent snapping and breaking,” says Federico. In short, the less breakage you have the better your hair will be because you’ll keep more from falling out.
Healthy Oils
If your hair is dried out, oils can help replenish moisture loss and prevent breakage. “Coconut oil promotes scalp health and helps prevent splitting and breakage,” explains Federico. These oils can be especially helpful if your hair is thinning out due to damage from chemical treatments or dyes.
Avoid Sulfates
Sulfates break down hair protein, strip hair of its natural oils, and can potentially cause even more breakage. Due to this, avoiding sulfates as much as possible will help prevent more breakage and help avoid dryness.
FYI, your scalp routine matters too. “To repair thinning hair, you must take a very aggressive approach to it,” explains Federico. “First and foremost I recommend doing everything you can to assure that your scalp is in its best condition.” He further explains, “because hair grows through follicles on your scalp, if those follicles are blocked or obstructed by dead skin cells, growth can slow or stop completely.” He advises doing an apple cider vinegar rinse once a week (he recommends R + Co’s Acid Wash Apple Cider Vinegar Cleansing Rinse) and a scalp scrub (he recommends R + Co’s Crown) to keep your scalp healthy.
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Do shampoos for thinning hair actually work?
While results may vary depending on the product, the right shampoo can absolutely be helpful in slowing and reversing hair loss. Look for a shampoo that gets to the root of the issue—if you have seasonal or hormonal hair loss, try a product like Davines Energizing Shampoo, which the brand’s hair care expert Chelsey Pickthorn explains works by adding shine and thickness to balance harsh environmental factors.
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Is dry shampoo bad for thinning hair?
Those dealing with thinning hair may want to avoid dry shampoo so as not to cause further hair loss. Dermatologist Neil Sadick, MD, explains that excessive use of these products can lead to buildup, occlusion, and inflammation, all of which may lead to or escalate thinning hair. It’s better to use dry shampoo sparingly and instead wash your hair as often as it needs.
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Why Trust Byrdie
Byrdie contributor Melanie Rud has over a decade of experience in the beauty industry, writing for some of the biggest magazines and websites out there. While her hair isn’t thinning, it is fine, so she does use the Living Proof and Verb volumizing formulas on this list. She’s also covered thinning hair and thinning hair products extensively throughout her career.
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