What is the best treatment for hair loss?
The best treatment for hair loss is usually a combination, not a single product. Most pattern hair loss is driven by the hormone DHT slowly shrinking the follicle, so the plans that work do three things at once: block DHT, stimulate new growth, and regenerate the follicle. The best-documented results come from pairing a DHT blocker with minoxidil, often layered with PRP, with options ranging from natural (saw palmetto) to prescription (finasteride and minoxidil).
In my more than 20 years in medicine, hair loss is one of the areas where people waste the most money on the wrong single product bought online, when a thoughtful combination managed by a physician would have actually moved the needle. So let me walk you through what each tool does, honestly, and how they fit together.
First, the cause: DHT
The most common type of hair loss in both men and women is androgenetic alopecia, or pattern hair loss. In people who are genetically susceptible, a hormone called DHT (dihydrotestosterone) gradually miniaturizes the follicle, cycle after cycle, until the hair grows back thinner and shorter and eventually not at all. That is why an effective plan usually attacks the problem from more than one angle at the same time: reduce the DHT shrinking the follicle, push the follicle back into a growth phase, and give it the support to rebuild.
Job one: block the DHT
Natural DHT blockers (over the counter). Saw palmetto is the most-studied natural option, working by gently inhibiting the enzyme that makes DHT. In one small study, about 60 percent of men saw improvement versus 11 percent on placebo, and over longer use it tends to stabilize hair loss more than dramatically regrow it. It is gentler than prescription options, with fewer sexual side effects, which is why some people prefer to start here. Pumpkin seed oil has similar support, with one study showing a 40 percent increase in hair count over six months. One honest caveat with saw palmetto: because it lowers DHT, it can also lower your PSA reading, the blood test used to screen for prostate cancer, so your doctor needs to know you are taking it.
Finasteride (prescription). Finasteride is the heavyweight DHT blocker. It reduces DHT far more powerfully than any natural option, roughly 70 percent, and the evidence for slowing loss and regrowing hair is strong. It is a prescription for a reason: it requires evaluation, and it is not right for everyone. Some men experience sexual side effects, and it is strictly off-limits for women who are pregnant or may become pregnant, because it can cause birth defects. For the right patient, it is one of the most effective tools we have.
Job two: grow the hair (minoxidil)
Minoxidil is the growth driver, and it works differently than the DHT blockers. Most of its effect is independent of hormones. It reawakens resting follicles, pushes them into the active growth phase, keeps them growing longer, and improves the blood flow and growth signals reaching the follicle. Newer research shows minoxidil also has a mild anti-androgen effect of its own, a small bonus on top of its main job.
Minoxidil comes in a few forms, and the right one depends on you. There is the familiar topical solution and foam, and there is low-dose oral minoxidil, which has become popular because it is simple and consistent, commonly dosed around 2.5 mg for men and 1.25 mg for women. The oral form is a prescription and needs a quick check of your blood pressure and heart rate up front and along the way. Whichever form you use, one rule holds: minoxidil works only as long as you keep using it. Stop, and the gains fade over the following months. That is not a flaw, it is simply how it works, and it is why we build it into a plan you can actually maintain.
Job three: regenerate the follicle (PRP)
PRP, or platelet-rich plasma, is the regenerative layer. We draw a small amount of your own blood, concentrate the platelets and the growth factors they carry, and inject that concentrate into the scalp to wake up and strengthen the follicles. A large 2025 analysis of dozens of trials found PRP increases hair density and thickness in pattern hair loss, using nothing but your own biology. It works best as a series of sessions with periodic maintenance, and it pairs especially well with the treatments above. Two honest points: because it uses your blood, it must be done in a proper medical setting with sterile technique, and it cannot bring back follicles from an area that has gone completely bald. You can read more on our page about whether PRP works for hair loss.
The winning move: combination formulas
Here is the part that matters most. No single treatment above is the answer by itself. The strongest, best-documented result in all of hair loss is a DHT blocker plus minoxidil, and a 2025 analysis confirmed that finasteride plus minoxidil beats minoxidil alone on hair density, thickness, and overall appearance. A 2026 network analysis ranked minoxidil combined with an anti-androgen as the most effective approach available. Block and grow at the same time, and you get more than either one alone.
That principle drives how we actually build a plan. We can combine minoxidil and finasteride into a single compounded topical solution, so you block DHT and stimulate growth in one step applied to the scalp, often layered with microneedling or PRP to drive it deeper. For patients who want to avoid finasteride, pairing a natural DHT blocker like saw palmetto or pumpkin seed oil with topical or low-dose oral minoxidil is a reasonable, gentler combination, with expectations set honestly since the evidence is weaker. Rosemary oil is another natural option that performed comparably to 2 percent minoxidil in one head-to-head study. And a PRP series on top of a block-and-grow routine adds regenerative support the topicals and pills cannot provide on their own.
| Treatment | Its job | How you take it | Worth knowing |
|---|---|---|---|
| Saw palmetto / pumpkin seed oil | Block DHT (mild) | Oral, over the counter | Gentler, weaker evidence; saw palmetto can lower PSA |
| Finasteride | Block DHT (strong) | Oral or compounded topical, prescription | Potent; not for women who may become pregnant |
| Minoxidil | Grow hair | Topical, or low-dose oral (about 2.5 mg men / 1.25 mg women) | Must keep using it; oral needs monitoring |
| PRP | Regenerate the follicle | In-office injections, a series | Your own biology; cannot revive fully bald areas |
| Compounded / combination | Block + grow together | One topical formula, often with PRP | The best-documented results come from combining |
An honest word before you start
Results vary from person to person, no treatment is a guarantee, and earlier is always better than later, because it is far easier to keep the hair you have than to regrow what is gone. Prescription options require an evaluation and monitoring, not a checkout cart, and I would steer you away from the random hair-growth formulas sold online, both for safety and because the right combination for you is not one-size-fits-all. What works is matching the tools to your pattern, your goals, and how much intervention you are comfortable with.
The next step
If your hair is thinning and you are tired of guessing, the smart move is a consult where we look at your scalp, your goals, and your comfort level, and build a combination plan around blocking, growing, and regenerating, from natural to prescription to PRP. You will leave knowing exactly what your options are and what to realistically expect.
To Health and Wellness, Dr. Tallman