Does Creatine Cause Hair Loss? What the Science Actually Says

If you've searched this question, you've probably seen the same scary claim recycled across forums and Reddit threads: creatine spikes DHT, DHT causes baldness, therefore creatine makes your hair fall out. It's a tidy chain of logic. It's also built on one small study that never looked at a single hair.

Here's what the evidence actually supports.

The Short Answer

No — there is no good evidence that creatine causes hair loss.³ The worry comes from one 2009 study that measured a hormone linked to balding (DHT), not hair itself. When a 2025 trial finally measured hair directly, creatine users lost no more than the placebo group.² What actually drives male-pattern baldness is your genetics.

Where the Myth Comes From: The 2009 DHT Study

Almost every "creatine causes hair loss" claim online can be traced to a single paper. It's worth understanding exactly what it did — and didn't — find.

What the study found

In 2009, van der Merwe and colleagues published a study in the Clinical Journal of Sport Medicine on 20 college-aged rugby players (16 finished the full protocol).¹ Participants did a heavy loading phase — 25 grams of creatine per day for 7 days — then dropped to 5 grams per day for 14 days.

The result that launched a thousand forum threads: after the loading week, dihydrotestosterone (DHT) rose about 56%, and it was still roughly 40% above baseline after two weeks of maintenance dosing. The DHT-to-testosterone ratio climbed about 36%. Total testosterone itself didn't budge.¹

Because DHT is the hormone most associated with male-pattern hair loss, that 56% number got read as "creatine melts your hairline." Understandable. But look at what the study measured.

What the study did not show

Three more things rarely make it into the forum version:

• The DHT levels stayed within the normal physiological range. They went up relative to each subject's starting point, but they didn't climb into some abnormal, hair-destroying zone.¹
• The sample was tiny — 20 men, 16 completers, one sport, one age group. That's hypothesis-generating, not conclusive.
• No one has ever replicated it. In more than fifteen years since, no study has reproduced that DHT spike — and, remarkably, no follow-up even tried to measure hair until recently.³

One unreplicated hormone measurement in 16 rugby players is a thin foundation for a fear that's followed creatine around for over a decade.

DHT and Hair Loss: The Real Connection

To see why the DHT number doesn't automatically mean baldness, you need the actual mechanism of male-pattern hair loss.

Androgenetic alopecia (male- and female-pattern baldness) happens like this: the enzyme 5-alpha-reductase converts testosterone into DHT. In people who are genetically predisposed, hair follicles on the scalp carry androgen receptors that are sensitive to DHT. Over time, DHT binding causes those follicles to miniaturize — they shrink, produce thinner hairs, and eventually stop.⁶

The load-bearing phrase is genetically predisposed. If you didn't inherit DHT-sensitive follicles, high DHT does comparatively little to your hairline. If you did, that sensitivity — not the absolute amount of circulating DHT — is what drives the loss.

Higher blood DHT isn't the same as hair loss

This is the gap the myth quietly skips over: it assumes "more DHT in a blood draw" equals "more balding," when the real story is about receptor sensitivity in specific follicles you either inherited or didn't.

What Newer Research Says

For years, the honest answer had to be "we don't have a study that measured hair, so we can't say for sure." That changed recently.

The 2025 trial that actually measured hair

In 2025, the Journal of the International Society of Sports Nutrition published the first randomized controlled trial designed to measure hair directly.² Forty-five resistance-trained men were randomly assigned to 5 grams of creatine monohydrate per day or a matched placebo for 12 weeks. Researchers tracked serum testosterone, free testosterone, and DHT, and assessed the scalp with a Trichogram and FotoFinder imaging (hair density, follicular unit counts, and hair thickness).

The finding: no significant difference between creatine and placebo — not in DHT, not in testosterone, and not in any hair outcome. It's the first direct test of the question people were actually asking, and it points the opposite way from the myth.²

The bigger body of evidence

The 2025 trial doesn't stand alone. Roughly a dozen studies have measured creatine's effect on testosterone or DHT over the years, and — apart from that one 2009 outlier — none has shown a meaningful, replicated increase in DHT.³ A 2021 review in the same journal specifically listed hair loss among the common misconceptions about creatine and concluded the evidence doesn't support it.³ The broader safety literature is just as settled: the International Society of Sports Nutrition's position stand calls creatine monohydrate safe and effective, and names weight gain as the only consistently reported side effect — not hair loss.⁴

The honest caveat

Being evidence-first cuts both ways, so here's the fair critique. The 2025 trial isn't the last word, and critics — including the American Hair Loss Association — have flagged real limitations:⁵

• Small analyzed sample (around 38 men finished), so it's not powered to catch a rare or small effect.
• No genetic screening. Participants weren't selected for a family history of baldness, so the people most theoretically at risk may have been underrepresented.
• It measured serum DHT, not scalp DHT — the site where androgenetic alopecia actually plays out.
• The Trichogram is a somewhat dated tool, and the trial didn't track participants' own reports of shedding.

None of this resurrects the "creatine causes hair loss" claim — the study still found nothing. But it means the accurate statement is "the best available evidence shows no effect," not "it has been proven impossible." On a health question, that distinction matters.

Should You Worry? Who Should Be Cautious

For the large majority of people, this is a non-issue. If you don't have a genetic predisposition to male-pattern baldness, there is no evidence-based reason to expect creatine to thin your hair.

Creatine's other "scary" side effects tend to dissolve on inspection too: the early weight gain, for instance, is water inside your muscle cells, not fat.

Does Creatine Cause Hair Loss in Women?

No — and the fear is even less grounded here. Female-pattern hair loss also involves androgen sensitivity, but the same evidence applies: no trial has shown creatine causing hair loss in women, and the evidence indicates creatine doesn't raise the androgens — DHT and testosterone — that pattern hair loss depends on.³ Women respond to creatine the same way men do, and the standard dose is the same — see our creatine guide for women for how the case changes across menstrual, pregnancy, and menopause stages.

If You're Still Concerned: Practical Options

Say you've read all of this and still want to hedge. Reasonable. Here's the honest, evidence-based version of "playing it safe":

Stick with plain creatine monohydrate. It's the most-researched form by a wide margin — it's what nearly every study above actually used, including the 2025 hair trial. If you want a well-tested, third-party-verified brand, our best creatine roundup ranks them on purity and third-party testing.

Don't fall for "DHT-free" or specialty-form marketing. Switching to creatine HCl, buffered creatine (Kre-Alkalyn), or any "hair-safe" blend will not lower your DHT — there's no evidence any form changes DHT differently from monohydrate. That's a marketing angle, not a research finding, and you'd usually pay more for less data.³

If your real concern is your hairline, see a professional. A dermatologist can actually assess follicle health and evidence-based treatments like finasteride or minoxidil. That's a far better use of energy than swapping supplement brands.

To be clear about the framing: monohydrate earns the recommendation because it's the most-studied form, not because it's "safe for your hair" — no creatine has been shown to threaten your hair in the first place.

Frequently Asked Questions

Does creatine increase DHT?

In one 2009 study of rugby players, yes — DHT rose about 56% during a heavy loading phase.¹ But that result has never been replicated, and the 2025 hair trial found no change in DHT versus placebo.² Across the wider literature, creatine shows no consistent effect on DHT.³

Will my hair grow back if I stop creatine?

There's no evidence creatine causes hair to fall out in the first place, so there's nothing specific to "reverse." If you're noticing genuine thinning, it's far more likely androgenetic alopecia — a genetic process that would be happening regardless of your supplements. A dermatologist can advise on actual regrowth options.

Does creatine cause hair loss in females?

No. No trial has linked creatine to hair loss in women, and the evidence shows creatine doesn't increase the androgens that drive pattern hair loss.³

Is there a creatine that doesn't cause hair loss?

This is the wrong question, because no form has been shown to cause hair loss. "Hair-safe," HCl, or buffered creatines don't lower DHT compared to monohydrate — the claim is marketing, not evidence.³ Plain monohydrate is the most-studied choice.

Can I take creatine with finasteride or minoxidil?

There's no known interaction between creatine and either finasteride or minoxidil, and creatine doesn't work against them — it isn't raising your DHT in any meaningful, lasting way. That said, run it past the prescriber managing your hair-loss treatment, since they know your full picture.

How much creatine causes hair loss?

No dose has been shown to cause hair loss — not the standard 3–5 grams per day, and not the 25-gram loading dose used in the 2009 study (which still only measured a hormone, not hair).¹ There's no established threshold because there's no established effect.

The Bottom Line

The creatine-and-hair-loss story is a textbook case of a single, unreplicated hormone study getting stretched into a decade of fear. The one direct test we now have — measuring actual hair — found nothing.² The dominant driver of male- and female-pattern baldness is, and remains, genetics.

If you're not predisposed, take your creatine and don't give this a second thought. If you are, the culprit is your genes, and the right move is a dermatologist — not a different scoop. New to creatine altogether? Start with what creatine is and how it works, or browse more quick answers in our creatine FAQ.