Hair TransplantClinical Trialsabout 1 month ago

Robotic Hair Transplantation in 2025: What the Outcome Data Says About When It's Worth It

Robotic systems for hair transplantation have been marketed as precision improvements on manual FUE. A 2025 comparison study of 800 patients finally answers the question of whether that precision translates to better outcomes.

Dr. Maya

17.0k views3 min read

FinasterideDHTabout 1 month ago

Finasteride at 10 Years: The Most Important Long-Term Safety Study Yet Published

A prospective 10-year study of finasteride 1mg for androgenetic alopecia, the longest rigorous follow-up ever conducted, has data on efficacy maintenance, sexual side effects, and cardiovascular outcomes that every user should know.

Liam Foster

6.8k views3 min read

MinoxidilResearchabout 1 month ago

Topical Caffeine vs Minoxidil: What a Proper Head-to-Head Trial Found

Caffeine-based hair products claim to rival minoxidil. A 2024 randomised controlled trial with 200 participants and an 6-month follow-up finally tested that claim properly.

Dr. Maya

14.1k views3 min read

ResearchNutritionabout 1 month ago

Biotin and Hair Loss: What the Evidence Actually Shows (It's Not What the Supplement Industry Tells You)

Biotin supplements for hair loss generate over $2 billion in annual sales. The evidence base for this billion-dollar market is thinner than most users suspect, and the cases where biotin genuinely helps are narrower than marketing implies.

Liam Foster

8.5k views3 min read

MinoxidilResearchabout 1 month ago

Minoxidil Sulfotransferase Activity Explains Why Some People Don't Respond

Topical minoxidil works for some users and not others, and the variability isn't random. The enzyme SULT1A1 converts minoxidil to its active form, and scalp expression varies dramatically between individuals.

Dr. Maya

20.4k views3 min read

FinasterideDHTabout 2 months ago

Topical Finasteride Is Safer Than Oral, But the Pharmacokinetic Data Tells a More Complicated Story

The pitch for topical finasteride is straightforward: get the hair regrowth without the systemic side effects. The pharmacokinetic data shows the picture is more nuanced than the marketing suggests.

Liam Foster

1.1k views3 min read

Female Pattern Hair LossDHTabout 2 months ago

Spironolactone for Female Pattern Hair Loss: The Most Underprescribed Effective Treatment

Spironolactone has been used off-label for female pattern hair loss for forty years. The 2024 systematic review finally collated the evidence base, and the picture is more positive than its niche status would suggest.

Dr. Maya

21.2k views3 min read

Telogen EffluviumResearchabout 2 months ago

Semaglutide and Hair Loss: What 18 Months of Real-World Data Shows

GLP-1 receptor agonists like semaglutide produce rapid weight loss, and a small but consistent fraction of users report telogen effluvium. The mechanism is now clearer.

Liam Foster

15.2k views3 min read

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Telogen EffluviumResearchabout 2 months ago

Isotretinoin Hair Loss: How Common It Actually Is and What Recovery Looks Like

Isotretinoin is one of the most effective acne drugs ever developed. It also causes telogen effluvium in a meaningful minority of users, here's the data on incidence and recovery.

Dr. Maya

11.5k views3 min read

Scarring AlopeciaDiagnosis2 months ago

Lichen Planopilaris: The Scarring Alopecia Most Dermatologists Miss

Lichen planopilaris is a primary scarring alopecia that destroys follicles permanently. Early diagnosis is the only opportunity to preserve hair, but symptoms are often misattributed.

Dr. Maya

9.9k views3 min read

Scarring AlopeciaFemale Pattern Hair Loss2 months ago

Frontal Fibrosing Alopecia: The Mysterious Epidemic Affecting Postmenopausal Women

Frontal fibrosing alopecia was a rare diagnosis until the 1990s. Now it affects an estimated 1–2% of postmenopausal women, and we still don't know exactly why.

Liam Foster

16.2k views3 min read

ResearchMinoxidil2 months ago

Rosemary Oil vs Minoxidil: The 2024 Trial That Actually Held Up

A widely cited 2015 trial suggested rosemary oil matched 2% minoxidil for androgenetic alopecia. A more rigorous 2024 replication has now tested whether that finding survives proper methodology.

Dr. Maya

19.8k views3 min read

ResearchDHT2 months ago

Saw Palmetto for Hair Loss: A Mechanism Without Clinical Evidence

Saw palmetto extract is in dozens of hair loss supplements. The 5-alpha reductase inhibition is real in vitro. The clinical evidence remains stubbornly thin.

Liam Foster

8.8k views3 min read

NutritionTelogen Effluvium3 months ago

Iron Supplementation for Hair Loss: Why Ferritin Below 70 Is the Real Threshold

Most physicians say ferritin within the normal range is fine. For hair loss, the relevant threshold appears to be substantially higher than the general anemia cutoff.

Dr. Maya

4.5k views3 min read

NutritionResearch3 months ago

Vitamin D Deficiency and Hair Loss: The Causal Question Is Still Open

Vitamin D receptors are expressed on hair follicle cells, and deficient patients often have hair loss. Whether supplementation reverses the loss is a more complicated question.

Liam Foster

3.7k views3 min read

ResearchTreatment3 months ago

Scalp Massage: A 4-Minute Daily Protocol With Surprisingly Real Evidence

A 2016 Japanese study found that 4 minutes of daily scalp massage produced measurable hair thickening over 24 weeks. The follow-up survey of 327 men added a real-world dimension to the finding.

Dr. Maya

12.6k views3 min read

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Female Pattern Hair LossDHT3 months ago

PCOS and Hair Loss: Treatment Considerations for the Underlying Endocrinology

Polycystic ovary syndrome affects 10–15% of women of reproductive age. Hair loss is a common feature, and treating it without addressing the underlying endocrinology often fails.

Dr. Maya

2.5k views3 min read

Telogen EffluviumFemale Pattern Hair Loss3 months ago

Postpartum Hair Loss: Timing, Severity, and When to Worry

Postpartum hair shedding affects roughly half of new mothers. The timing is predictable, the cause is well understood, but a meaningful minority of women have persistent effects.

Liam Foster

16.7k views3 min read

DiagnosisResearch3 months ago

Trichoscopy: The Diagnostic Tool That Should Be Standard in Every Hair Consultation

A handheld dermatoscope and three minutes is enough to distinguish androgenetic alopecia, alopecia areata, scarring alopecias, and telogen effluvium. Many consultations still rely on visual inspection alone.

Dr. Maya

19.8k views3 min read

ResearchNutrition3 months ago

Pumpkin Seed Oil for Hair Loss: A Surprising Trial With Replication Pending

A 2014 Korean trial reported substantial hair count improvements from oral pumpkin seed oil. The methodology was unusual and replication is overdue, but the mechanism is plausible.

Liam Foster

2.1k views3 min read

Telogen EffluviumResearch4 months ago

Thyroid Hormone and Hair Loss: Both Hypo and Hyperthyroidism Trigger Shedding

Hypothyroidism and hyperthyroidism both cause hair loss, but through different mechanisms. Testing TSH is the most basic workup item for unexplained shedding, and one of the most commonly overlooked.

Dr. Maya

7.1k views3 min read

Hair TransplantTreatment4 months ago

Scalp Micropigmentation: When the Best Hair Loss Treatment Isn't About Hair

Scalp micropigmentation creates the appearance of a closely shaved head through pointillist pigment deposits. For some patients it produces better cosmetic outcomes than any hair-growing approach.

Liam Foster

8.2k views3 min read

ResearchTreatment4 months ago

Latanoprost and Bimatoprost for Hair Growth: A Prostaglandin Story Worth Following

Eye drops for glaucoma turned out to grow eyelashes. The mechanism, prostaglandin F2-alpha receptor agonism, has obvious implications for scalp hair, though the clinical data remains mixed.

Dr. Maya

19.3k views3 min read

DiagnosisHair Transplant4 months ago

Norwood Scale: Why the Classification System Matters More Than People Realise

The Norwood scale is older than most current hair loss treatments. It remains the standard staging tool, and getting the staging right shapes every subsequent treatment decision.

Dr. Maya

5.2k views3 min read

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GeneticsResearch4 months ago

Genetic Testing for Hair Loss: What 23andMe and Polygenic Scores Actually Predict

Direct-to-consumer genetic tests report male pattern hair loss risk. The science behind those reports is more complicated, and less predictive, than the marketing suggests.

Liam Foster

9.6k views3 min read

NutritionResearch4 months ago

Nutrafol Clinical Data: What the Trial Actually Showed

Nutrafol is the most expensively marketed hair loss supplement on the market. The trial data is real, but the trial design is unusual, and the effect size compared to alternatives is what matters.

Dr. Maya

10.1k views3 min read

TreatmentMinoxidil4 months ago

Compounded Topical Formulations: The Pharmacy Workaround That Has Quietly Reshaped Treatment

Compounding pharmacies have become a significant force in hair loss treatment, producing custom topical formulations that combine multiple active ingredients in single products.

Liam Foster

13.8k views3 min read

Hair TransplantTreatment4 months ago

Hair Transplant Turkey: Cost Savings vs Quality Trade-offs

Turkey now performs more hair transplants than any other country worldwide. The cost advantage is genuine, but the quality variance is substantial, and patients need to understand both.

Dr. Maya

9.7k views3 min read

Female Pattern Hair LossResearch5 months ago

Hair Loss in Postmenopausal Women: Distinct Patterns Need Distinct Treatment

Female pattern hair loss in postmenopausal women has distinct features compared to pre-menopausal cases, and treatment approaches that work pre-menopause sometimes fail after.

Liam Foster

13.8k views3 min read

DiagnosisFemale Pattern Hair Loss5 months ago

Ludwig Scale vs Sinclair Scale: Choosing the Right Female Pattern Classification

The Ludwig scale has been the standard female pattern hair loss classification since 1977. The Sinclair scale offers more granular staging that has become preferred for clinical trials.

Dr. Maya

12.4k views3 min read