CosmeticTreatment5 months ago

Hair Fibre Concealers: Toppik, Caboki, and What Actually Works

Keratin hair fibres are the most cost-effective cosmetic treatment for mild hair loss. Different brands use different fibre materials with substantially different performance characteristics.

Liam Foster

16.6k views3 min read

MinoxidilTreatment5 months ago

Caffeine Shampoo Alpecin Marketing: Reading Between the Claims

Alpecin's caffeine shampoo has captured significant market share through aggressive marketing. The clinical claims sit on a foundation of in vitro data, and very short-contact-time application.

Dr. Maya

11.9k views3 min read

ResearchDHT5 months ago

Setipiprant: The PGD2 Antagonist That Almost Was

Setipiprant blocks the prostaglandin D2 receptor implicated in androgenetic alopecia. The drug had a promising mechanism and a disappointing development path. Here's what happened.

Liam Foster

14.6k views3 min read

ResearchInflammation5 months ago

Cetirizine for Hair Loss: An Antihistamine With Surprising Pilot Data

Topical cetirizine has produced unexpectedly positive hair count results in small trials. The mechanism, PGD2-pathway interference and inflammatory modulation, is plausible but the data is preliminary.

Dr. Maya

3.3k views3 min read

CosmeticTreatment5 months ago

Sulfate-Free Shampoo: Marketing Hype or Genuine Hair Health Benefit?

Sulfate-free shampoos dominate the premium hair care market with claims of gentler cleansing. The trichology evidence is more measured than the marketing language suggests.

Liam Foster

14.7k views3 min read

ResearchLifestyle6 months ago

Smoking and Androgenetic Alopecia: An Independent Risk Factor With a Plausible Mechanism

Multiple epidemiological studies have linked smoking to accelerated androgenetic alopecia. The relationship survives statistical adjustment, and the proposed mechanism makes biological sense.

Dr. Maya

11.9k views3 min read

TreatmentCosmetic6 months ago

Hair Systems and Toppers: When Wearing Hair Makes More Sense Than Growing It

Modern hair systems are unrecognisable from the toupées of the 1980s. For patients with extensive hair loss, they offer instant, high-quality cosmetic transformation that other approaches can't match.

Liam Foster

8.3k views3 min read

Alopecia AreataJAK Inhibitors6 months ago

Alopecia Areata: Beyond JAK Inhibitors, What Else Is in the Pipeline

JAK inhibitors transformed alopecia areata treatment, but they're not the end of the story. Several other immune-modulating approaches are advancing through clinical trials.

Dr. Maya

17.2k views3 min read

Advertisement

Telogen EffluviumNutrition6 months ago

Telogen Effluvium After Bariatric Surgery: What 5-Year Data Reveals

Significant weight loss after bariatric surgery triggers telogen effluvium in roughly half of patients. The long-term recovery data is more complicated than acute studies suggested.

Dr. Maya

8.8k views3 min read

TreatmentResearch6 months ago

Cold Cap Therapy for Chemotherapy Hair Loss: What 2025 Data Shows

Scalp cooling during chemotherapy can preserve hair for many patients. The 2025 outcomes registry of 8,400 patients defines who benefits and how much.

Liam Foster

9.8k views3 min read

TreatmentResearch6 months ago

Microneedling for Hair Loss: 0.5mm vs 1.5mm, Depth Matters

Microneedling protocols vary widely in needle depth and frequency. The 2024 comparison study finally provides standardised guidance for at-home and clinical protocols.

Dr. Maya

10.2k views3 min read

Hair TransplantResearch6 months ago

Dense Packing in Hair Transplantation: How Many Grafts Per Square Centimetre?

Dense packing pushes graft density toward the natural 80–100 follicular units per cm² that healthy scalp shows. The technique improved transplant results, but pushed against survival limits.

Liam Foster

13.0k views3 min read

Hair TransplantCosmetic6 months ago

Hairline Design in Hair Transplantation: The Art That Determines Natural Results

The single most important determinant of natural-looking hair transplant results is the hairline design. Get it wrong and no surgical technique can rescue it.

Dr. Maya

3.4k views3 min read

TreatmentResearch7 months ago

Carboxytherapy for Hair Loss: A Procedure With Mechanism but Limited Evidence

Carboxytherapy, subcutaneous injection of medical CO2, has been used for various dermatological indications. The hair loss application has theoretical merit but slim clinical data.

Liam Foster

13.3k views3 min read

Hair TransplantTreatment7 months ago

Long Hair FUE: The Technique That Eliminates the Post-Op Buzz Cut

Standard FUE requires shaving the donor area. Long Hair FUE preserves donor hair length, eliminating one of the major lifestyle obstacles to hair transplantation.

Dr. Maya

10.8k views3 min read

Alopecia AreataTreatment7 months ago

Cyclosporine for Alopecia Areata: An Older Option Worth Revisiting

Before JAK inhibitors, cyclosporine was one of the more effective systemic options for severe alopecia areata. New protocols make it relevant again for specific clinical scenarios.

Liam Foster

6.5k views3 min read

Advertisement

Scarring AlopeciaCosmetic7 months ago

Traction Alopecia: Prevention Matters Because Treatment Doesn't Work Well

Traction alopecia from tight hairstyles is one of the few common forms of hair loss that's almost entirely preventable. Once established, treatment options are limited.

Dr. Maya

10.4k views3 min read

DiagnosisResearch7 months ago

Trichotillomania: Hair Loss From an Underrecognised Mental Health Condition

Trichotillomania, compulsive hair pulling, affects approximately 1% of adults but is underdiagnosed because patients rarely volunteer the behaviour. Treatment requires recognising it.

Liam Foster

13.2k views3 min read

DiagnosisResearch7 months ago

Hair Loss in Asian Patients: Why Standard Norwood Assumptions Don't Always Apply

Androgenetic alopecia in Asian patients shows distinct patterns that don't always fit the Norwood scale designed for European populations. Treatment timing and approach differ.

Dr. Maya

3.5k views3 min read

Scarring AlopeciaDiagnosis7 months ago

Hair Loss Patterns in African Descent: CCCA and Distinct Considerations

Central centrifugal cicatricial alopecia is the most common scarring alopecia in women of African descent. It's underdiagnosed and treatment opportunities are time-limited.

Liam Foster

7.5k views3 min read

DHTFinasteride8 months ago

Dutasteride vs Finasteride for Androgenetic Alopecia: When to Choose Each

Dutasteride blocks both 5-alpha reductase isoforms; finasteride blocks only type 2. The clinical comparison shows dutasteride wins on efficacy and loses on side effect profile.

Dr. Maya

11.8k views3 min read

CosmeticResearch8 months ago

Olaplex and Bond Builders: Repair Chemistry That Actually Works

Olaplex's patented bond-rebuilding chemistry was unusual in the hair care industry, actually novel chemistry rather than reformulated standards. The clinical results justify the marketing for damaged hair.

Liam Foster

4.1k views3 min read

ResearchLifestyle8 months ago

Sleep, Cortisol, and Hair Loss: A Real but Often Overstated Connection

Chronic sleep deprivation elevates cortisol and inflammatory markers. The connection to hair loss is real but commonly exaggerated, here's where the evidence actually sits.

Dr. Maya

8.8k views3 min read

MinoxidilTreatment8 months ago

Rogaine Foam vs Solution: Which Formulation Actually Works Better?

Most users assume Rogaine foam and solution work identically. The pharmacokinetic data shows they don't, and the difference matters for some users.

Liam Foster

7.8k views3 min read

Advertisement

TreatmentResearch8 months ago

Hyperbaric Oxygen Therapy for Hair Loss: Marginal Evidence, Major Cost

Hyperbaric oxygen therapy is promoted by some wellness clinics for hair loss. The evidence is preliminary and the cost is high relative to alternatives.

Dr. Maya

10.4k views3 min read

TreatmentTelemedicine8 months ago

Online Hair Loss Telemedicine: Hims, Keeps, and Roman Compared

Telemedicine has reshaped hair loss treatment access, with three major US players competing for the same minoxidil and finasteride prescriptions. Here's how they compare.

Liam Foster

6.7k views3 min read

Hair TransplantTreatment8 months ago

Beard and Body Hair as Donor for Transplant: When and How It Works

Patients with extensive scalp hair loss but adequate beard or chest hair density now have a viable supplementary donor option. The technique has matured significantly since 2018.

Dr. Maya

5.1k views3 min read

Alopecia AreataTreatment8 months ago

Topical Immunotherapy for Alopecia Areata: An Old Treatment Worth Knowing About

Diphencyprone-induced contact dermatitis on the scalp can promote hair regrowth in alopecia areata. The treatment is older than JAK inhibitors and remains useful in specific cases.

Liam Foster

16.6k views3 min read

NutritionResearch9 months ago

Vitamin K2 and Hair Loss: An Emerging Research Direction

Vitamin K2 has gained attention for bone and cardiovascular health. A few preliminary papers suggest possible relevance to hair biology, though the evidence is very early.

Dr. Maya

15.9k views3 min read

NutritionResearch9 months ago

Collagen Supplements for Hair: Marketing Disconnect From Evidence

Collagen supplements are marketed extensively for hair benefits. Hair is made of keratin, not collagen, and the evidence for any indirect benefit is thin.

Liam Foster

12.2k views3 min read