Hair TransplantResearch10 months agoDense Packing in Hair Transplantation: How Many Grafts Per Square Centimetre?Dense packing pushes graft density toward the natural 80 to 100 follicular units per cm² that healthy scalp shows. The technique improved transplant results, but pushed against survival limits.Liam Foster,11.6k views3 min read
Hair TransplantCosmetic10 months agoHairline Design in Hair Transplantation: The Art That Determines Natural ResultsThe 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. Maya3.2k views3 min read
TreatmentResearch10 months agoCarboxytherapy for Hair Loss: A Procedure With Mechanism but Limited EvidenceCarboxytherapy, 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,11.2k views3 min read
Hair TransplantTreatment11 months agoLong Hair FUE: The Technique That Eliminates the Post-Op Buzz CutStandard FUE requires shaving the donor area. Long Hair FUE preserves donor hair length, eliminating one of the major lifestyle obstacles to hair transplantation.Dr. Maya9.8k views3 min read
Alopecia AreataTreatment11 months agoCyclosporine for Alopecia Areata: An Older Option Worth RevisitingBefore 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,5.4k views3 min read
Scarring AlopeciaCosmetic11 months agoTraction Alopecia: Prevention Matters Because Treatment Doesn't Work WellTraction 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. Maya9.4k views3 min read
DiagnosisResearch11 months agoTrichotillomania: Hair Loss From an Underrecognised Mental Health ConditionTrichotillomania, compulsive hair pulling, affects approximately 1% of adults but is underdiagnosed because patients rarely volunteer the behaviour. Treatment requires recognising it.Liam Foster,11.5k views3 min read
DiagnosisResearch11 months agoHair Loss in Asian Patients: Why Standard Norwood Assumptions Don't Always ApplyAndrogenetic 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. Maya3.5k views3 min read
Scarring AlopeciaDiagnosis11 months agoHair Loss Patterns in African Descent: CCCA and Distinct ConsiderationsCentral 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,6.3k views3 min read
DHTFinasteride11 months agoDutasteride vs Finasteride for Androgenetic Alopecia: When to Choose EachDutasteride 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. Maya10.1k views3 min read
CosmeticResearch11 months agoOlaplex and Bond Builders: Repair Chemistry That Actually WorksOlaplex'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,3.9k views3 min read
ResearchLifestyle12 months agoSleep, Cortisol, and Hair Loss: A Real but Often Overstated ConnectionChronic 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. Maya7.5k views3 min read
MinoxidilTreatment12 months agoRogaine 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,7.5k views3 min read
TreatmentResearch12 months agoHyperbaric Oxygen Therapy for Hair Loss: Marginal Evidence, Major CostHyperbaric oxygen therapy is promoted by some wellness clinics for hair loss. The evidence is preliminary and the cost is high relative to alternatives.Dr. Maya9.8k views3 min read
TreatmentTelemedicine12 months agoOnline Hair Loss Telemedicine: Hims, Keeps, and Roman ComparedTelemedicine 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 TransplantTreatment12 months agoBeard and Body Hair as Donor for Transplant: When and How It WorksPatients 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. Maya4.6k views3 min read
Alopecia AreataTreatment12 months agoTopical Immunotherapy for Alopecia Areata: An Old Treatment Worth Knowing AboutDiphencyprone-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,15.0k views3 min read
NutritionResearchabout 1 year agoVitamin K2 and Hair Loss: An Emerging Research DirectionVitamin 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. Maya14.7k views3 min read
NutritionResearchabout 1 year agoCollagen Supplements for Hair: Marketing Disconnect From EvidenceCollagen 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,11.3k views3 min read
TreatmentCosmeticabout 1 year agoMesotherapy Cocktails for Hair Loss: What's Actually in the Injections?Hair loss mesotherapy injections contain widely varying ingredient combinations across clinics. Understanding what's typically included helps patients evaluate the offering.Dr. Maya4.0k views3 min read
DiagnosisTreatmentabout 1 year agoHair Loss in Adolescents: When Pattern Hair Loss Starts YoungAndrogenetic alopecia can begin in late adolescence in patients with strong genetic predisposition. Treatment timing and choice in young patients deserves specific consideration.Liam Foster,12.6k views3 min read
DiagnosisResearchabout 1 year agoAI-Based Hair Density Measurement: Smartphone Apps That Actually WorkSeveral smartphone apps now use machine learning to measure hair density from photographs. The clinical validation is mixed but the trajectory is promising.Dr. Maya5.6k views3 min read
LifestyleResearchabout 1 year agoAlcohol and Hair Loss: A Modest Connection With Practical ImplicationsHeavy alcohol consumption has multiple indirect effects on hair health. Moderate consumption probably doesn't matter, but heavy use does.Liam Foster,6.4k views3 min read
TreatmentInflammationabout 1 year agoTopical Steroids for Hair Loss: When They Help and When They HurtTopical corticosteroids treat the inflammatory components of several forms of hair loss. Used inappropriately or chronically, they can cause harm, including paradoxical hair loss.Dr. Maya13.3k views3 min read
DiagnosisTelogen Effluviumabout 1 year agoHair Pull Test: The Diagnostic Procedure Anyone Can PerformThe hair pull test is one of the simplest diagnostic procedures in dermatology. Performed correctly, it distinguishes active telogen effluvium from stable hair loss.Liam Foster,9.6k views3 min read
Telogen EffluviumResearchabout 1 year agoHair Loss After COVID Vaccination: Causation vs CorrelationReports of hair loss following COVID vaccination prompted public concern. The epidemiological data shows the connection is complicated and largely explained by other factors.Dr. Maya12.6k views3 min read
DHTTreatmentabout 1 year agoHair Loss in Trans Men on Testosterone: Pattern and TimingTestosterone therapy for transmasculine patients reproduces the androgen environment that drives male pattern hair loss. Timing, pattern, and treatment considerations differ from cisgender presentations.Liam Foster,8.1k views3 min read
DiagnosisInflammationabout 1 year agoTrichodynia: The Scalp Pain Some Hair Loss Patients ExperienceSome patients with hair loss describe scalp pain, burning, or sensitivity. The condition has a name, trichodynia, and addressing it can improve treatment adherence.Dr. Maya8.1k views3 min read
CosmeticDiagnosisabout 1 year agoHeat Styling Damage and Hair Loss: When Cosmetic Damage Becomes Clinical ConcernDaily heat styling damages the hair shaft but doesn't typically cause follicle loss. Where heat styling crosses into clinical territory is more complicated.Liam Foster,1.9k views3 min read
Telogen EffluviumDiagnosisabout 1 year agoHair Loss From Common Medications: A Reference for What to Watch ForMany widely prescribed medications can cause hair loss. Recognising medication as a potential cause prevents unnecessary workup and enables treatment adjustment.Dr. Maya13.6k views3 min read
Liam Foster,
