The 6 Best Hair Loss Treatments of 2024, Tested by People with Thinning Hair

Our top pick is the Advanced Trichology NutraM DHT Blocking Hair Serum

Jessie Quinn is a Los Angeles-based contributing shopping writer at PEOPLE with over 10 years of experience covering all things beauty, fashion, and lifestyle. At PEOPLE, she collaborates with the PEOPLE Tested team to share our top recommendations for everything from the best shapewear to the best dark spot correctors.

If your hair seems thinner than usual, you're not alone: 50 percent of women and 80 percent of men experience hair loss in their lifetime. But thanks to impressive hair loss treatments designed to thicken up your ‘do while also shielding against hair-thinning hormones, you can put an end to excessive hair fall and even help your hair grow back.

With so many different hair care products that claim to make your hair thicker and longer, finding one that actually does the trick takes time, research, and resources. Our PEOPLE Tested team dedicated nearly 1,000 hours testing 20 formulas to ultimately uncover which treatments were effective and worth the money.

After testing 20 hair loss treatments, this serum received top marks and was a clear winner for top spot. The dropper makes application super easy (you can apply it directly to the scalp) and the quick-drying formula is never greasy so it doesn’t mess up your hairstyle or require extra washing. It absorbed easily and never caused irritation.

When testing this hair loss treatment, we noticed results within just one month of use. At the end of the testing period, our hair looked and felt a lot thicker, with new growth in some of the thinner areas as well as along our hairline.

Ingredients: Melatonin, minoxidil | Size: 2 ounces | Supply: 90 days

For another quick-acting hair loss treatment, we also loved the Minoxidil Foam from hers. This treatment comes in 2-, 4-, and 6-month supplies and costs around $15 per month (the 4- and 6-month plans are even cheaper). It has a mousse-like consistency that is easy to work into the scalp and doesn’t interfere with style, though there is a little bit of a sheen upon application.

After just one month of testing, we began to see a difference in our root growth. At the end of the testing period, our hair looked and felt a lot thicker and healthier. It also has a soothing and cooling touch that feels nice on irritated scalps and is scent-free so it’s great for sensitive noses. 

Ingredients: Minoxidil | Size: 2.11 ounces | Supply: 2-6 months

As much as we love the Advanced Trichology NutraM DHT Blocking Hair Serum for its application process, we found that this solution from Keranique was even easier to use. The serum features applicator caps with long nozzles that apply directly to the scalp, making it less messy and easier to target specific areas versus the entire head. It takes a little longer to absorb and dry (around five minutes), but it doesn't dry greasy.

While we didn’t see results as quickly as some of the other formulas on our list, we still noticed improvements before the end of the testing period. After around eight weeks, our hair looked and felt a lot thicker and we noticed new growth in some of the sparser areas of our scalp. 

Ingredients: Minoxidil | Size: 2 ounces | Supply: 60 days

This serum from Nioxin is the best hair loss treatment for men. We tested this on a bald spot, and after nine weeks of twice daily use some baby hairs started to sprout. The scalp serum features a dropper that is relatively easy to use but can get a bit awkward when targeting a specific area, especially on the back of the head.

While it absorbs quickly, the serum is a bit runny which can make for a messy application process (this formula in spray form would have been much more ideal). Nonetheless, we were impressed by the regrowth and think it’s worth using over a longer period of time to maximize the hair growth benefits. 

Ingredients: Minoxidil | Size: 2 ounces | Supply: 30 days

If want a hair loss treatment that won’t interfere with your color-treated hair, try this regimen from Virtue. The kit comes with hair loss shampoo, conditioner, and a minoxidil treatment designed to support hair growth. Despite using the product just every two weeks, we still experienced growth along the hairline and our strands felt a lot thicker with less fall, too.

Ingredients: Minoxidil, gamma keratin, alpha keratin | Size: Varies, depending on product | Supply: 30-90 days

Whether you have experienced some fall or want to thicken up your strands, this treatment from Rogaine is worth considering for its thickening benefits. The minoxidil-infused formula absorbs into the scalp within seconds and doesn’t leave the roots feeling greasy or fade color-treated hair. It’s also one of the more efficient formulas we tried, as we noticed thicker and longer hair after just six -

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weeks of use. 

Ingredients: Minoxidil | Size: 2 ounces | Supply: 60 days

Dr. Engelman says to look for hair growth promoters like minoxidil, biotin, and keratin, as these can promote regeneration and strengthen hair. “Scalp treatments containing ingredients like caffeine or palmetto can also block the effects of dihydrotestosterone (DHT), a hormone associated with hair thinning,” she says.

All six treatments on our list contain minoxidil for growth, including our top pick for the best hair loss treatment, the Advanced Trichology NutraM DHT-Blocking Hair Serum (90-Day Supply). If you want something with some extra oomph, the Virtue Hair Growth Treatment also has gamma and alpha keratin to strengthen strands and improve growth efforts.

While there are some hair styling products that can create the illusion of thicker, fuller hair, there is no such thing as an overnight solution for hair loss. When adding hair loss treatments to your regimen, Dr. Jacobs says to use them consistently and long-term for best results.

With that said, if you are hoping to achieve some noticeable improvements in a shorter amount of time, we found that the Advanced Trichology NutraM DHT-Blocking Hair Serum made our hair thicker after just one month of regular application (though of course, results were more noticeable after a longer testing period).

Hair loss treatments can help improve thickness and length with regular use. However, Dr. Jacobs and Dr. Engelman both express the importance of knowing the underlying cause of your loss and working with a medical professional to help address the concern.

“Hair loss can be the result of various factors, including hormonal fluctuations (such as pregnancy and postpartum), genetic predispositions, aging, stress, and seasonal changes,” says Dr. Jacobs. 

Vitamin and mineral deficiencies can also lead to hair loss, especially if you have lower levels of iron, vitamin B12, vitamin D, and biotin. “Lack of these nutrients might cause hair thinning or shedding because they are essential for sustaining healthy hair growth,” says Dr. Engelman. “Vitamin D affects the hair growth cycle by inhibiting the proliferation of hair follicle cells, and iron deficiencies can lead to anemia causing reduced oxygen delivery to the hair follicles and subsequent hair loss.” Dr. Engelman says biotin is also important because it is essential for the production of keratin, which is the protein that makes up the hair shaft. 

Additionally, Dr. Engelman says environmental factors “like exposure to pollutants or harsh chemicals in hair care products can damage the hair follicles,” which can result in hair loss over time. 

By addressing the underlying causes of hair loss and using a treatment regularly in your regimen, you can begin to reverse the side effects and achieve desired results. 

We researched dozens of formulas before taking 20 products out for a real-world spin. We spent 12 weeks and 960 hours testing each treatment, carefully considering the application process, effectiveness, and overall results.

Once our results were in, we compared and rated each product before narrowing down our selection to these six best hair loss treatments on the market.

Jessie Quinn is a contributing commerce writer for PEOPLE and has written for publications such as Byrdie, InStyle, The Spruce, NYLON, and more. Jessie has spent years trying to improve her hair health and promote growth. While she might have long and healthy strands today, she’s gone through phases of hair loss and has tried everything from supplements to serums to achieve her current ‘do.

She considered her own experiences as well as those of our PEOPLE Tested team to highlight the formulas that are worth spending your energy and money on. Jessie also reached out to board-certified dermatologists Dr. Michael I. Jacobs and Dr. Dendy Engelman to learn more about what causes hair loss and what to look for in effective treatments.

We created the PEOPLE Tested seal of approval to help you find the very best products for your life. We use our unique methodology to test products in three labs across the country and with our network of home testers to determine their effectiveness, durability, ease of use, and so much more. Based on the results, we rate and recommend products so you can find the right one for your needs.

But we don’t stop there: We also regularly re-review the categories in which we’ve awarded the PEOPLE Tested seal of approval — because the best product of today might not be the best of tomorrow. And by the way, companies can never buy our recommendation: Their products must earn it, fair and square.

In short, PEOPLE Tested provides recommendations you can trust — every day, every purchase.

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