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These days, thickening shampoos are a dime a dozen, most of which contain ingredients like biotin, saw palmetto, caffeine and a veritable cornucopia of botanical extracts that can help with everything from temporarily volumizing hair, removes scalp build up to minimize dandruff or dryness, strengthening strands and, in some cases, even address underlying hair thinning and hair loss.
Although, to be clear, the primary agenda of these shampoos is to help hair feel and look thicker, not necessarily reverse thinning, as no shampoo on its own is enough to help you regrow lost hair or prevent balding entirely (you’ll have to use a combination of supplements and other treatments for that). Typically, thickening shampoos accomplish this goal by coating individual strands with ingredients to plump them up and appear thicker. Strengthening hair follicles with ingredients like keratin will also help hair look fuller, while adding moisture can cause hair shafts to swell and present thicker. In short, the healthier your hair is, the thicker it’ll look.
Of course, this volume (get it?) of factors is a good thing because it means that no matter what kind of hair you have, there’s a hair-thickening shampoo out there for you. But with all those options, where do you start? After eliciting the counsel of a panel of dermatologists and hair experts on their favorite hair thickening shampoos and what specifics to look for as a primer, we put a bunch to the test to find which were worth investing in.
What to Consider
Hair Type
When selecting a shampoo to thicken hair, it’s essential to consider your specific hair type to achieve both targeted volume results and maintain hair health overall. For example, individuals with finer hair should avoid heavy, ultra-texturizing shampoos, which can make this hair type feel weighed down. Instead, opt for lightweight, volumizing formulas that boost fullness without compromising lift. Alternatively, coarse or curly, as well as color-treated strands, thrive with moisture-rich, sulfate-free shampoos. These will provide much-needed hydration and help prevent dryness.
You’ll also want to consider your scalp, as board-certified dermatologist Dr. Natalie Kash, MD, explains that if you have a dry scalp or brittle hair, steer clear of harsh ingredients such as alcohols that can exacerbate dryness, as well as potent surfactants like sulfates. To avoid this, look for gentler shampoos with moisturizing ingredients like shea butter. On the other hand, she says that those with oily scalps should go for a clarifying shampoo to remove excess sebum without irritating the scalp.
Key Ingredients
Still, Dr. Kash says that not every product will work for everyone, and whether a thickening shampoo works for you largely depends on your hair type, as well as the formulation, concentration, and mixture of ingredients. However, there are a few common ingredients to look for that have been shown to help hair appear thicker and feel fuller.
According to Dr. Hardik Doshi, MD, a board-certified plastic surgeon and lead surgeon at Ample Hair Restoration Clinic in New York City, these are the primary ingredients worth investing in to bolster your hair’s thickness or help it at least appear thicker:
- Biotin, a B-vitamin that can help strengthen hair.
- Caffeine, believed to stimulate hair follicles by improving blood circulation.
- Keratin, a protein found in the structure of hair.
- Niacin, which can improve blood flow to the scalp.
- Panthenol, which can help strengthen and add thickness to the hair shaft.
- Saw palmetto, believed to inhibit the production of DHT, which contributes to hair loss.
Size
When picking a shampoo to thicken hair, the size of the bottle might not be your top priority—but it’s definitely something to keep in mind, especially if you’re on a budget. Many shampoos designed to thicken hair can be pricey, and since you’ll need to buy them regularly, the cost can quickly add up. If you’re looking to save a bit, opting for larger bottles can make a noticeable difference in your wallet over time. It’s all about getting the most bang for your buck without compromising on quality.
How We Selected
Over the past year, I’ve been testing a wide variety of shampoos to see how well they help hair appear and feel thicker. I evaluated how effectively these products cleaned hair, their scents, and their price points. To make sure I covered all the bases, I also consulted with several doctors and one hairstylist on the best hair-thickening shampoos for men they recommend. They helped me narrow down the best products on the market for different hair types, offering valuable insights into what products and ingredients to seek out (and what to avoid).
Based on their expert advice and our extensive testing, I compiled this list of the 10 best shampoos that truly deliver when it comes to thickening men’s hair.
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Our product picks are editor-tested, expert-approved. We may earn a commission through links on our site. Why Trust Us?
When it comes to shampoos that make hair appear and feel thicker (not boost growth), no option scored as high with our testers as this bottle from Kérastase. Not only does this luxe shampoo clean like a dream, but Dr. Kash notes that it’s also formulated with ingredients like hyaluronic acid, ceramides, and peptides that help add volume to hair strands, creating a thickening effect. We can confirm this certainly made our hair look and feel thicker, not to mention the cleansing chops. It’s simply a quality shampoo that we’d recommend even for those with naturally thick locks, especially for men who use a lot of product in their hair. Kérastase packs a powerful lather, strong enough to wipe away the most stubborn grime and sweat, as well as the most dense waxes, pomades, or clays.
To be clear, this shampoo is unisex, however, it markets heavily toward women and is designed to withstand the most intense of hair sprays, mousses, or gels. That being said, a byproduct of this is that it has more of a floral scent than you’ll find in most other options on this list. For us, this scent was subtle enough that it didn’t hinder our ability to use the shampoo regularly as long as you’re using an appropriate amount of it and not overindulging. Still, if you’re 100 percent against floral scents or sensitive to fragrances in general, you might want to look at one of the other options on this list.
Dr. Kash isn’t the only pro who backs this stellar thickening shampoo either. Dr. Rachel Westbay, MD, board-certified dermatologist at Marmur Medical, explains that it not only helps with hair density but also thoroughly cleanses your hair. She adds that this shampoo is enriched with ceramides to promote elasticity and strengthen the hair, along with a dose of salicylic acid, which offers a thorough cleanse.
Plus, you barely have to use more than a couple of dabs of this stuff to enjoy the results. We found a nickel-sized amount was more than enough for any man’s hair that sits above the shoulders. So while over $40 is a bit steep for a shampoo, this one lasts long enough to neutralize the cost. Add with the boost in shine we saw after one wash with this shampoo, it’s easy to justify the price tag.
Read More: Best Shampoos for Thinning Hair
| Hair Type | All |
|---|---|
| Key Ingredients | Hyaluronic acid, ceramides, peptides |
| Size | 8.5 oz |
Pros
- Contains saw palmetto which can help block DHT
- Sulfate-free
- Fresh scent
Cons
- May be drying on textured hair
Hims continues to be one of our go-to brands for men’s self-care and wellness. This well-reviewed volumizing shampoo offers a deep clean, as well as volumizing benefits, backed by its ability to fortify hair strands, that we saw as soon as the first wash. The included niacinamide is known to improve blood circulation on the scalp, which in turn helps hair look healthier and also encourages growth. Add in the other hero ingredient in its formula is saw palmetto, which is known to help block DHT (which contributes to male pattern hair loss), so it’s no wonder that our flow was given a boost.
The formula is also free of any parabens, sulfates, silicones, and phthalates, so most of our testers found it to be compatible with their hair without causing any reactions. An extension of this versatility is its subtle, but eucalyptus scent, perfect for those who enjoy a scented shampoo, as well as those hoping to rely more on their cologne and other scents for fragrance. Not to mention, at under $12 a bottle, it’s a pretty great value.
Read More: Best Shampoos for Men
| Hair Type | All |
|---|---|
| Key Ingredients | Saw palmetto, lactic acid |
| Size | 6.4 oz |
Best Thickening Shampoo With Biotin
Pura D’Or Hair Thinning Therapy Shampoo
Now 17% Off
This Pura D’Or shampoo comes heavily recommended by William Gaunitz, FWTS, a certified trichologist and founder of Advanced Trichology. He adds that he has seen many clients bring this shampoo to his clinics, and say they genuinely noticed improvements in their scalp health while using it.
Like most Pura D’Or products, this shampoo is loaded with botanical and organic ingredients, with none as crucial as its hefty dose of biotin (aka vitamin B7). This nifty vitamin helps support the production of keratin, which is the primary protein that makes up hair strands. This protein is essential for supporting the structural foundation of hair strands, therefore plumping up locks and potentially helping other growth (though, again, this is not a solution to balding and merely a means of helping hair live up to its fullest potential).
The biggest issue we’ve found with biotin-led shampoos, or even more naturally leaning formulas in general like this one, is that they have a tendency to dry our hair out. However, Pura D’Or avoids this common pitfall, and we found it to give that refreshing feeling without drying out strands. This is likely due to the hefty amount of moisturizing aloe vera (also natural!) in its formula.
Now the downside. Pura D’Or notes that you must keep the shampoo in your hair for two minutes to see the best results, however, we found it’s closer to four or five minutes. Not the end of the world, but certainly a nuisance for those who like to shower quickly (or conserve water). Beyond that, like many natural ingredient-led beauty products, this has a pretty strong essential oil smell. It’s not overpowering in any way, and we generally dig essential oils anyway, but it could be annoying if you’re especially anti those scents.
| Hair Type | All |
|---|---|
| Key Ingredients | Meadowfoam oil, saw palmettol, apple stem cells, caffeine |
| Size | 16 oz |
Best Thickening Shampoo for Thinning Hair
DS Laboratories Revita Hair Density Shampoo
Now 15% Off
Most of the shampoos on this list are intended to merely help hair appear thicker, not battle the process of balding. However, this stellar option from DS Labs is an exception. For board-certified dermatologist, Dr. Chris Tomassian, MD, it all comes down to its ingredients.
He explains that shampoo is effective because it contains caffeine, which boosts blood flow to the hair and reduces DHT, a hormone linked to thinning. It also includes procyanidin B2, a compound that research suggests may help promote hair growth, according to Dr. Tomassian. DS Labs’ Revita Shampoo is formulated with a collection of DHT blockers, including caffeine, biotin, antioxidants, and amino acids to help battle any incoming hair thinness.
Out of all the shampoos we tested, DS Labs’ Revita Shampoo produced the most noticeable boost in both the appearance of volume and genuine hair thickness. That’s because it’s formulated with a collection of DHT blockers, including caffeine, biotin, antioxidants, and amino acids to help battle any incoming hair thinning. It also left our hair feeling soft, without being overly harsh or irritating, reminiscent of some of the more premium daily shampoos we’ve tried.
| Hair Type | All |
|---|---|
| Key Ingredients | Biotin, caffeine, procyanidin B2 |
| Size | 7 oz |
Pros
- Safe for color treated hair
- Cruelty-free production
- Paraben- and sulfate-free
Cons
- Bottle is prone to leakage
Dr. Westbay is a big fan of this shampoo, thanks to the collagen in its formula, which makes hair look and feel thicker and stronger by boosting volume and adding dimension. We also loved the vitamin B7, aka biotin, that helped soothe our dry-scalped testers and left hair feeling silky smooth. Add in a dose of argan oil, and it’s no wonder our scalps were feeling ultra-hydrated after washing with this stuff. Of course, it’s free of any sulfates, parabens, or other common chemicals tossed in shampoos that our dry scalped testers are sensitive to.
Judging by the bright purple bottle and female-focused marketing, you might expect a strong floral scent, but we found the smell to be minimal and quite nice (more fresh than floral to be honest). There is some fragrance in the formula, however, we didn’t find it to be enough to aggravate our dry scalps. We have found the dispenser pump to leave a bit to be desired, as it was prone to leakage both in the shipping process and over time from use.
| Hair Type | Fine, dry |
|---|---|
| Key Ingredients | Vitamin B7, argan oil, collagen |
| Size | 16.9 oz |
Pros
- One of the larger bottles on this list at 18 oz
- A quality conditioner in addition to shampoo
- Safe for all hair types
Cons
- Some testers found the scent slightly overpowering
As generally busy people, we love a multipurpose product, and this 2-in-1 shampoo and conditioner from Raw Sugar is the best version of one for those looking to pump up their flow. Not to mention, the pros back it. “I absolutely love this 2-in-1 thickening shampoo and conditioner,” Dr. Westbay says.
Most of that comes down to its key natural ingredients of vitamin B5, which strengthens hair follicles and reduces breakage, and jojoba oil, which helps support scalp health by removing excess oil. This is in addition to the always moisturizing shea butter. Most 2-1 shampoo and conditioners we’ve tested tend to only be quality in one of those departments, either cleansing well without properly moisturizing or hydrating our flow but leaving it somewhat oily. We found Raw Sugar hits the perfect balance of the two, while also boosting our hair volume.
| Hair Type | All |
|---|---|
| Key Ingredients | Vitamin B5, jojoba oil, shea butter |
| Size | 18 oz |
Pros
- Includes natural DHT-blockers saw palmetto and pumpkin seed
- Strong lather, so a little goes a long way
- Hypoallergenic formula
Cons
- Nearly $30 for 8 oz
According to Dr. Tomassian, this natural-ingredient-backed thickening shampoo is uniquely formulated to battle the effects of male pattern baldness. He points out that its ingredients are tailored to boost thinning hair, and possibly even address androgenic hormonal hair loss (aka male pattern baldness).
In addition to caffeine (beneficial for stimulating blood flow and reducing DHT), it also includes saw palmetto and pumpkin seed. Both of these ingredients are known for their DHT-blocking effects, helping to prevent the hormone from contributing to further hair thinning. Together, these ingredients create a powerful formula designed to support healthier, thicker hair growth, according to the dermatologist.
When using, this shampoo’s no-nonsense, natural ingredient-fronted formula was certainly felt, producing one of the smoothest feeling lathers on this list. We also dug that it was hypoallergenic for sensitive scalps, despite still being mildly fragranced. Plus, even for our testers who have yet to face any signs of baldness, this shampoo simply made their hair look and feel denser.
| Hair Type | All |
|---|---|
| Key Ingredients | Pumpkin seed oil, turmeric root extract, saw palmetto, caffeine |
| Size | 8 oz |
Sometimes, if you’re just looking to give your hair a bit more volume, all it needs is some TLC. IGK’s Extra Love does exactly that with its powerful combination of moisturizing coconut oil and prebiotics, like glycerin and date fruit ferment extract, that help support the scalp’s natural microbiome by balancing its oil production.
Plus, there’s some biotin thrown in for good measure. It’s no wonder Dr. Westbay backs the stuff. Dr. Westbay explains that this shampoo is ideal for those with thinning hair, helping hair look fuller and bouncier overall thanks to its mineral-rich ingredients. One key ingredient, Jeju water, is actually volcanic water that promotes healthy hair, according to the dermatologist. So it came as no surprise that our flow was looking fire after using this stuff.
| Hair Type | Fine to normal |
|---|---|
| Key Ingredients | Coconut oil, glycerin, date fruit ferment extract, biotin |
| Size | 8 oz |
This ultra-luxe shampoo feels and smells like the top-tier, rich-lathering product it is, but it’s also packed with a proprietary compound of plant-based and scientifically developed ingredients to not only make hair appear thicker and fuller, but also help combat the first signs of hair loss. Sure, it’s pricey, but the results we saw were well worth it. To say nothing of the incredible rich, woodsy cologne-quality scent it rocks.
This shampoo is no joke when it comes to claims of thickening, either. We found that after a couple of weeks of use, our hair looked noticeably thicker (and genuinely might have been thicker thanks to the DHT-blocking formula). Plus, you really only need to use a small amount of this shampoo, as the lather is so expansive (which also helps offset the hefty price tag a bit).
| Hair Type | Thin to Normal |
|---|---|
| Key Ingredients | Proprietary “recovery compound”, Kigelia Africana fruit extract, Ginkgo Biloba leaf extract, rosemary leaf extract |
| Size | 6.8 oz |
How Do Hair Thickening Shampoos Work?
“Hair-thickening shampoos typically act in two possible ways,” says Gaunitz. He explains that either the shampoo leaves behind some sort of thickening agent after you wash, like protein or a chemical that can help expand the hair shaft, or the shampoo uses topical nutrients like vitamins B12 or B5 to nourish the scalp and strengthen follicles or ingredients like saw palmetto or tea tree oil to help decrease oil production depending on the targeted hair type. This is because sebum (aka your body’s naturally-produced oil) is key for maintaining a healthy and moisturized scalp. Without it, hair will be prone to breakage and dryness, which will create a thinner appearance.
“You should look for thickening shampoos that act in both ways,” he says. There are a few other ways a thickening shampoo can work, most notably ones that work to block DHT and stimulate hair growth, according to Dr. Doshi. Hair growth claims can be tricky on a product like shampoo, which doesn’t stay on your scalp very long, so most thickening shampoos will use a combination of these mechanisms to achieve thickening and volumizing results.
Important to note, no shampoo will 100 percent reverse thinning or balding. Instead, most of these formulas are designed to either postpone thinning or simply help hair appear and feel thicker.
What Ingredients to Avoid in a Hair Thickening Shampoo
When it comes to thickening shampoos, what ingredients are not in the formula can be just as important as those that are. Dr. Doshi recommends avoiding sulfates, which can strip your hair of natural oils, parabens and phthalates, which have been linked to potential health risks in some people, silicones, which can build up on hair and weigh it down, and artificial fragrances, which can cause irritation.
Most importantly, keep in mind that not every shampoo is going to work for everyone, says Dr. Doshi, so finding the right thickening shampoo may take some trial and error. Keep at it for a while until you decide, though, because “it can take a while before any noticeable improvement occurs.” And finally, if you’re dealing with “substantial hair loss or thinning,” seek the guidance of a medical professional.
Sean Zucker is the Grooming and Commerce Editor at Men’s Health. He brings over half a decade of experience covering health, wellness, and lifestyle. When Sean’s not writing about hair products, you can find him running for exercise, or toward the nearest food truck.
Christian is the deputy commerce editor at Men’s Health and Women’s Health, where he oversees shopping content for both brands. He started his magazine career as an accessories assistant at Vogue, and has since held editorial roles at Tatler Asia and The Manual. When he’s not online shopping, you can find him on long walks with his two corgis.
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