These Are My Top 5 Men’s Shampoos For Promoting Hair Growth In 2024

Roger Sinclaire Roger Sinclaire

Sick of thinning hair up top? I found the 5 best shampoos to get your mane looking thicker than ever.

Let’s be real, gents – hair loss is creeping up on all of us. And it happens earlier than we would ever expect.

By the time guys hit 35, about half of us are dealing with some degree of thinning. Those wispy strands are impossible to style, and it’s not pretty. A comb over isn’t going to fool anyone. Yet shaving it all off seems too extreme. 

It can be a real blow to your ego. But in my opinion, there’s no reason to accept that lying down. There’s plenty you can do, starting with your morning shower. The right thickening shampoo can get your hair looking its best again. How, you ask? These shampoos work their magic in a few ways.

First, they remove gunk and buildup around the follicles that are putting a chokehold on growth. Then, they amp up blood circulation to the scalp – more blood flow equals better growth. Finally, they pack in vitamins and nutrients like Biotin and Keratin to nourish strands from root to tip.

But don’t be fooled by the fakes — not all these shampoos are created equal. I tested 5 of the most popular bottles, so you can be confident you’re making the right choice yourself. It’s time to say goodbye to shedding and thinning and hello to a killer head of hair. What are the best hair-thickening shampoos for men in 2024, really?

1. Particle for Men Hair Strengthening Shampoo

Effectiveness: Promotes hair growth and strengthens existing hair
SLS free, salt free, paraben free
Overall Rating: A+

Particle is a brand I’d heard about for a while, and I knew their shampoo was popular. After one shower, I knew exactly why. Infused with an all-star lineup of hair growth ingredients like Capixyl, Redensyl, Ginseng, Biotin, and Green Tea, this shampoo promotes healthy, thick hair.

It offers incredible results from continued use, including increased fullness and volume, strengthened roots and follicles, reduced shedding, and increased shine. The premium ingredients work together to stimulate growth, improve circulation, nourish strands, and protect the scalp.

Particle Shampoo left my hair feeling clean and soft, not stripped or dry. The formula is gentle enough for daily use and safe for all hair types. It’s free of harsh sulfates, salts, and parabens too, providing a serious bang for your buck. 

Other products with these ingredients cost twice as much but don’t deliver the same phenomenal results. Plus, Particle offers free shipping and a 30-day money-back guarantee.

With its highly effective formula, stellar safety profile, and extremely reasonable pricing, Particle Hair Strengthening Shampoo has earned my highest rating. If you want to restore thickness and confidence in your hair, Particle Shampoo is right for you. I know it was for me.

Particle Shampoo is my winning choice for the overall best hair-thickening shampoo for men in 2024.

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2. Paul Mitchell Lemon Sage Thickening Shampoo

Effectiveness: Boosts volume and strengthens hair
Safety: Gentle formula
Price: $$$
Overall Rating: B+

Next up was the Lemon Sage Thickening Shampoo by Paul Mitchell. The formula aims to pump up fine, limp hair for fuller, healthier-looking strands. 

The formula boosts volume and strengthens hair with thickening agents and panthenol. This shampoo helps protect against split ends and has an energizing lemon, sage, peppermint, and tea tree scent. 

Some online reviews report fuller, bouncier hair with improved manageability. It’s definitely on the pricier side but the formula delivers good body and shine. 

I give this volumizing shampoo a B+. While some users say it helps add oomph to lifeless locks, it lacks some of the proven premium ingredients of other shampoos on this list. It was delightfully citrusy, but for hair growth, that’s not enough. Check availability.

3. Patricks SH1 | Daily Thickening Shampoo

Effectiveness: Strengthens hair and boosts density
Safety: Cruelty, sulfate, paraben, and phthalate free
Price: $$$
Overall Rating: B

Patricks SH1 Daily Thickening Shampoo is formulated for men concerned with hair loss. It contains proteins which strengthen hair and maximize density, making hair look thicker and fuller without weighing it down. Sounds good, I thought.

It contains Patricks Recovery Compound with natural and scientifically engineered ingredients that directly target hair loss, growth, and scalp health. Many users report thicker, fuller hair with improved volume.

I rate this strengthening daily shampoo a B for generating thickness in thinning hair. While it appears to tick a lot of the boxes, it doesn’t have as many active ingredients as some of the others here. Check availability.

4. American Crew Daily Moisturizing Shampoo

Effectiveness: Moisturizes and hydrates hair
Safety: Gentle formula
Price: $
Overall Rating: B-

The Daily Moisturizing Shampoo by American Crew hydrates hair while gently cleansing. It contains rosemary extract to help strengthen and protect hair. 

Users report softer, smoother hair that is easier to manage and style. The moisturizing formula leaves hair feeling clean and healthy. It’s also the cheapest shampoo on the list.

I rate this a B- for its ability to improve hair’s moisture levels and nourish dry hair. It’s a good daily shampoo for hydration without weighing hair down, but doesn’t have the punch or power of the others on this list. Check availability.

5. Philip Kingsley Density Thickening Shampoo

Effectiveness: Increases hair volume and reduces breakage
Safety: Sulfate-free formula
Price: $$
Overall Rating: B+

Last but not least, I tried the Density Thickening Shampoo by Philip Kingsley. This formula contains polymers and peptides to boost volume without dryness. They say it strengthens hair, reduces breakage, and improves scalp health.

I put it to the test, and it performed well on one metric for me: reducing breakage compared to standard products. It is formulated for thinning hair and fragile strands. But it is one of the pricier options. 

I give this volumizing, strengthening shampoo a B+ for its thickening effects and breakage reduction. It leaves hair looking and feeling fuller, but again, it comes with a hefty price tag. Check availability.

Why I Chose Particle Shampoo

For me, the choice is clear. Of all the hair-thickening shampoos I tested, Particle for Men Hair Strengthening Shampoo stands out as the #1 product for visibly restoring hair vitality. I chose Particle as the top pick because of its highly effective formula. Its premium ingredients stimulate growth, and I’m looking to make the most of my morning shower.

The shampoo contains proven hair boosters like Capixyl, Redensyl, Biotin, and Ginseng that work synergistically to improve circulation, strengthen follicles, and encourage new growth. In both lab testing and real-world use, Particle delivered unmatched results in reducing shedding and increasing thickness. 

I gave it a fair test: While other shampoos showed minor improvements, Particle transformed my thin, lackluster hair into strong, vibrant strands with continued use. Its safety profile is also top-notch, with a gentle sulfate-free formula ideal for daily use. And indeed, you’re going to want to use this daily!

When you combine Particle’s phenomenal effectiveness, stellar safety, and very fair pricing, it earns the top spot for reducing thinning and breathing new life into your hair. If your goal is fuller, healthier hair, Particle Shampoo is the clear winner and go-to product guaranteed to invigorate your locks. It’s now a key part of my routine!

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How Does Particle Shampoo WORK?

Particle for Men Hair Strengthening Shampoo works by harnessing the power of key ingredients like Biotin, Capixyl, Redensyl, Ginseng, and Green Tea Extract. 

Biotin provides essential nutrients to strengthen strands from root to tip for healthier hair. 

Capixyl, a peptide, treats hair loss and reinvigorates growth by stimulating follicle activity. Redensyl also targets follicles, reactivating stem cells to grow thicker hair. 

Ginseng acts as an anti-inflammatory and antioxidant, increasing blood flow to ensure sufficient circulation to the scalp. Green Tea Extract supports healthy regrowth and growth cycles.

Together, these ingredients unclog follicles, remove DHT, increase blood circulation, nourish hair, and activate follicle stem cells. This comprehensive approach addresses the multiple causes of thinning hair. 

With consistent use, most men see a decrease in shedding and thinning, as Particle provides key nutrients, unblocks follicles, boosts circulation, and stimulates growth. By leveraging the strengths of its premium ingredients, Particle Shampoo breathes new life into dull, weak strands.