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Saw Palmetto and Hair Loss: The Basics

Saw palmetto is an herb that’s not new to medicinal applications. It has a long history as a folk medicine ingredient, with records showing it was used by Native American tribes in order to treat urinary and reproductive health problems. Although saw palmetto isn’t as well-studied as hair loss medications such as finasteride and minoxidil, there’s some scientific evidence that it may help to slow down or stop hair loss. Some researchers believe that saw palmetto works by inhibiting the effects of DHT, the hormone that causes male pattern baldness. Although some scientific research on saw palmetto is promising, it shouldn’t be viewed as a 100% proven option for the treatment of hair loss right now. Saw palmetto is a safe supplement for most men. However, it’s best to check with your healthcare provider before taking it, especially if you currently use hair loss medications such as finasteride.

What Is Saw Palmetto?

Saw palmetto is a herbal supplement that’s promoted as a treatment for inflammation, hair loss, urinary tract health and as a testosterone booster. It’s also promoted as a natural option for treating benign prostate hyperplasia (BPH, or enlarged prostate). The herb used in saw palmetto supplements is extracted from the fruit of the saw palmetto plant — a small palm that’s often referred to as Serenoa repens. You can find this plant throughout the southeastern United States, where it tends to grow in coastal areas. Saw palmetto has a lengthy history as folk medicine. Historically, it’s been used as a treatment for coughs, reproductive disorders and other diseases. Before your eyes glaze over at the thought of us suggesting you crush saw palmetto and use it on your head, sleep with a bundle of it under your pillow or bathe with it to absorb its “essence” for your well-being, relax. We’re not one of those websites, and we’re not a new-age celebrity sharing junk pseudoscience for profit. Unlike many other much-hyped herbal supplements, there’s some evidence that saw palmetto is actually effective for certain health conditions, including hair loss. We’ve explained these in more detail below, as well as the numerous forms of saw palmetto that are available.

balding can be optional

The Different Forms of Saw Palmetto

Saw palmetto comes in several different forms. It’s widely available as a health supplement and is also used as an ingredient in topical shampoos and other products. If you search for “saw palmetto” online, you’ll come across dietary supplements that feature saw palmetto. These are usually marketed as prostate health tablets, testosterone boosters or supplements for improving urinary flow and control. They come in capsule form and usually contain saw palmetto extract in various dosages, either on its own or with other herbs, vitamins or minerals. Saw palmetto is also available as a liquid extract. Like saw palmetto capsules, this is formulated for oral consumption, usually mixed with water. When it comes to saw palmetto for hair loss, this natural ingredient is often used in conditioners, shampoos and other hair care products designed to improve hair quality and prevent thinning. For example, we include saw palmetto as one of several ingredients in our Thick Fix Thickening Shampoo, which is formulated to reduce scalp buildup and promote volume and moisture. You can also find saw palmetto in various skin care products and topical treatments designed to improve male health and vitality.

Saw Palmetto For Hair Loss

Although research is mixed on the effectiveness of saw palmetto as a hair loss treatment, some studies have found that it may offer benefits for men affected by male pattern baldness. To understand how saw palmetto may be helpful for treating hair loss, it’s important to quickly go over the basics of how and why male hair loss happens in the first place. Contrary to popular belief, there’s no scientific evidence that male pattern baldness, which is the most common cause of hair loss in men, is caused by things like using too much hair product or wearing your hat too tight. Instead, experts have found that the causes of male pattern baldness are a combination of your genes and the effects of a male sex hormone called dihydrotestosterone, or DHT. DHT is produced as a byproduct of testosterone, your body’s primary sex hormone. As a child and during adolescence, DHT plays a key role in the development of your male secondary sex characteristics, such as facial and body hair. However, as you get older, DHT can bind to receptors in your scalp and cause your hair follicles to stop producing new hairs. This process often begins around your hairline, causing the classic receding hairline that many men start to develop in their 20s, 30s or forties. It’s often referred to as androgenetic alopecia, or male pattern baldness. We’ve talked about this process and its impact on your hair in greater detail in our guide to DHT and its effects on male hair loss. Interestingly, DHT also has other unwanted effects in your body. For example, as an adult, DHT is the primary hormone responsible for the growth of your prostate gland. Currently, the most effective treatments for hair loss, such as the medication finasteride, work by stopping your body from converting testosterone into DHT. Finasteride does this by blocking the effects of 5-alpha-reductase, an enzyme that’s responsible for producing DHT from testosterone.

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Researchers think that saw palmetto might also inhibit the effects of 5-alpha-reductase and stop the conversion of testosterone into DHT within your body.

Is Saw Palmetto a DHT Blocker?

The idea that saw palmetto blocks DHT production isn’t just an assumption. Instead, it’s backed up by a modest but compelling amount of scientific evidence. Currently, there isn’t a particularly large body of scientific research on the relationship between saw palmetto and androgenic alopecia (a clinical term that’s commonly used to refer to pattern hair loss in men). And of the studies that exist, none are perfect. However, there are several studies that look at the relationship between saw palmetto and DHT levels, as well as the impact that this potential relationship may have on hair growth. Will you join thousands of happy customers? 4.5 average rating “I tried several different options before but Hims combined approach of all four methods by far created the best results.” “Hims has been the greatest confidence boost, no more bald jokes! I look and feel so much younger!” “When I show my barber my progress, he is always in disbelief. I have to recommend Hims to any guy who’s experiencing thinning.” “Cost effective and affordable. My hair keeps growing thicker, fuller, and at a fast rate.” “I noticed a huge change in the overall health and fullness of my hairline.” “Now after 5 months I’m able to style waves first time in 10 years!” “I decided to jump right in and I'm so glad I did. I definitely feel ten years younger!” “In just as little over two and half months, I can really see the difference in thickness and in color.” “4-months strong and my confidence boosted back up to 100% using Hims, future me really does thank me.” “I’m a 34 year old father of two and have been using Hims for over a year now. My hair is back to what it was in my mid twenties.”

The Science on Saw Palmetto and Hair Loss

Currently, there are three that are frequently cited as possibly demonstrating the positive effects of saw palmetto extract as a treatment for hair loss in men. The first of these is a 2002 study published in the Journal of Alternative and Complementary Medicine. In this study, researchers found that men with hair loss who used saw palmetto capsules over a period of five months reported improvements in their hair. While this study is interesting, it has numerous shortcomings. Only 19 men completed the study, with half of these men given the saw palmetto and the other half a non-therapeutic placebo. The men were also asked to assess their progress by completing a six-question survey. In other words, the men were asked to rate the results of the supplement, rather than having their results assessed by a professional. Although these factors don’t necessarily undermine the study’s findings, they’re definitely worth noting when assessing its outcome. The second study was published in 2012 in the International Journal of Immunopathology and Pharmacology. In this study, researchers compared the effects of saw palmetto with finasteride, a well-known medication for treating hair loss. The study was carried out over 24 months and involved 100 men with mild to moderate male pattern baldness. At the end of the study period, the researchers found that 68 percent of the men treated using finasteride showed improvements in hair growth compared to 38 percent of the men who were treated with saw palmetto extract. They concluded that although finasteride was more effective at producing hair growth, the saw palmetto extract also produced noticeable improvements. The third study, which was published in the Australasian Journal of Dermatology in 2015, also found that products containing saw palmetto may be effective at treating hair loss. Unlike the first two studies, which looked at the effects of oral saw palmetto supplements, this study involved the use of a topical product containing saw palmetto extract. In this study, 50 men with male pattern baldness used a topical saw palmetto treatment over a period of 24 weeks. The men experienced a measurable increase in average hair count at the end of 12 and 24 weeks of treatment. One major shortcoming of this study is that there was no control group, meaning the scientists could not compare their findings with men given no active ingredient. Still, it’s another interesting data point that suggests that saw palmetto may offer benefits as a treatment for hair loss, whether it’s used orally or topically.

Saw Palmetto Dosage for Hair Loss

Because saw palmetto is a natural supplement and hair care product ingredient rather than a medication, there’s no evidence-based dosage that your healthcare provider may recommend for treating hair loss. In one study of saw palmetto for hair loss, men were given a dosage of 320mg per day, which was taken orally. Most over-the-counter saw palmetto supplements contain around this amount of saw palmetto per serving, typically in either one or two capsules. If you use saw palmetto, make sure to check the instructions on the packaging for information about the recommended dosage. It’s also best to talk to your healthcare provider before using any supplement or hair care product that contains saw palmetto as an active ingredient.

Other Potential Health Benefits of Saw Palmetto

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Saw palmetto is a common nutritional supplement that’s marketed as a natural treatment for a variety of ailments. One well-known potential benefit of saw palmetto is its purported ability to treat the symptoms of benign prostatic hyperplasia (BPH). While evidence is mixed overall, some research has found that saw palmetto may help to make certain BPH symptoms, such as weak urination, post-micturition dribble (dribble after urinating), urinary retention and others. Research published in the journal American Family Physician notes that saw palmetto appears to be similar in effectiveness to finasteride at managing the symptoms of BPH. However, this does not mean that saw palmetto should be used in place of finasteride or other medications to treat BPH. If you’ve been diagnosed with BPH, you should not switch from your existing prescription medication to saw palmetto. Proponents of saw palmetto also claim that it has other benefits, such as improving fertility and reducing inflammation in certain types of cells. However, there’s currently no high-quality study data or other scientific evidence to support these claims.

Saw Palmetto Side Effects

Saw palmetto is generally safe. However, like other health supplements, it can potentially cause certain side effects. According to the National Center for Complementary and Integrative Health, saw palmetto may cause headache and/or digestive symptoms. Currently, most of the research on saw palmetto’s potential side effects comes from studies of its use for men with BPH. Although saw palmetto is safe for most men to use, it may interact with other medications and supplements. Because saw palmetto may have similar effects on DHT as finasteride, the use of their oral forms in combination should be avoided.

Saw palmetto may also interact with other medications, including:

Blood thinner medications, such as warfarin (sold under the brand name Coumadin®), clopidogrel (Plavix®) and aspirin.

Oral contraceptives, such as the birth control pill.

Make sure to talk to your healthcare provider before you use saw palmetto if you’re prescribed any medications. Perhaps the biggest concern with taking saw palmetto or any medication that reduces levels of 5-alpha reductase is that it may delay the discovery of prostate cancer. Because these substances treat the symptoms of prostate enlargement, a cancerous prostate may go undiagnosed. It’s important to undergo regular prostate screenings, especially if you’re at a heightened risk of developing prostate cancer. Make sure to follow your healthcare provider’s instructions and get checked whenever you need to.

Does Saw Palmetto Work?

Although there’s no “smoking gun” study to prove that saw palmetto treats and prevents male pattern baldness, the data that’s currently available is certainly interesting. Currently, there’s a small amount of evidence that saw palmetto may slow down hair loss and encourage hair growth. However, like with many other natural hair loss solutions, the scientific community remains unconvinced. Scientists are a tough crowd, and it understandably takes a serious amount of evidence to get them to change their minds from a “maybe” to a “yes.” Right now, it’s best to think of saw palmetto as a natural substance that may reduce hair loss, not as a sure-thing treatment that’s guaranteed to protect your hair. Hair loss treatments, delivered Topical Finasteride If a pill feels like an overwhelming way to treat male pattern hair loss, this spray with finasteride & minoxidil could be for you. Minoxidil Solution Generic for Rogaine®, this FDA-approved over-the-counter version of topical minoxidil is used for regrowth on the crown of the head. Finasteride & Minoxidil This is the FDA-approved dynamic duo. When used together, men saw better results in clinical trials compared to using either alone. Oral Finasteride If you’re looking for something effective but don’t want too many steps in your routine, this once-a-day pill could be right for you. Minoxidil Foam Clinically proven to regrow hair in 3-6 months, no pills required.

The Bottom Line on Saw Palmetto and Hair Loss

If you’re beginning to notice the signs of hair loss, saw palmetto may be a good addition to your hair loss prevention stack. One easy way to add it to your hair care routine is by using our Thick Fix Thickening Shampoo, which uses saw palmetto as an active ingredient. However, you'll get the best results from proven, FDA-approved hair loss medications such as finasteride and minoxidil. These medications are scientifically proven to slow down and stop hair loss from male pattern baldness. In some cases, they can even help you to regrow hair in the parts of your scalp with recent thinning. Finasteride works by blocking DHT production, while minoxidil is believed to work by accelerating your hair growth cycle and increasing your anagen hair percentage. We offer finasteride and minoxidil online, either on their own or with other products for treating hair loss in our Hair Power Pack. As medications rather than supplements, these treatments go through much stricter trials than supplements and hair care ingredients like saw palmetto. Interested in learning more about how you can protect your hair? Our guide to preventing hair loss goes into more detail about how you can gain control over male pattern baldness using a mix of medications, lifestyle changes and more.

forhims.com - Does Saw Palmetto Prevent Hair Loss? - Hims

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