All 97 guides

Conditions 15

What is actually causing the shedding — and how each type behaves.

Androgenetic Alopecia: Complete GuideAndrogenetic alopecia affects 50% of men by 50 and 75% of women over 65. Learn causes, diagnosis (98% accurate trichoscopy), treatments with 83-87% re
Telogen Effluvium: Causes and Recovery TimelineTelogen effluvium causes sudden hair shedding 2-3 months after stress. 95% recover fully within 6 months. Learn triggers, timeline, and when to expect
Alopecia Areata: Types, Treatment, and OutlookAlopecia areata causes patchy hair loss when immune cells attack follicles. 30-50% recover spontaneously. Learn about JAK inhibitors, types, and progn
Traction Alopecia: Prevention and TreatmentTraction alopecia affects 1 in 3 Black women who wear tight hairstyles. Learn to spot early warning signs before damage becomes permanent. Prevention
Diffuse Thinning vs. Pattern Baldness: How to Tell the Difference (2026 Guide)Is your hair thinning all over or in a pattern? Learn to tell the difference between diffuse thinning, DUPA, and pattern baldness. Critical for transp
Frontal Fibrosing Alopecia: Complete Guide to Symptoms, Causes & Treatment (2026)Frontal fibrosing alopecia causes permanent hairline recession and eyebrow loss. Learn symptoms, treatment options, and why early diagnosis matters fo
Scarring Alopecia Types and Management: Complete GuideScarring alopecia permanently destroys hair follicles. Learn about LPP, CCCA, FFA, diagnosis with trichoscopy, and treatments to stop progression earl
Hair Loss After COVID: What Research ShowsCOVID-19 triggers hair loss in 24-85% of patients 2-3 months after infection. Learn why it happens, how long it lasts, and what helps recovery.
Stress-Related Hair Loss: Complete Recovery GuideStress triggers hair loss through cortisol and HPA axis activation. Learn the 2-3 month delay, 6-12 month recovery timeline, and proven management str
Male vs Female Pattern Hair Loss: Key Differences ExplainedMale pattern hair loss involves recession and crown thinning; female pattern causes diffuse thinning with hairline preserved. Learn why treatments dif
JAK Inhibitors for Alopecia Areata: Baricitinib, Ritlecitinib and Deuruxolitinib, Trial by TrialBaricitinib, ritlecitinib and deuruxolitinib trials for severe alopecia areata: 38.8% reached SALT 20 or less at week 36. Boxed warning, labs, relapse
Chemotherapy Hair Loss: Which Drugs Cause It, What Scalp Cooling Achieves, and the Regrowth TimelineWhich chemo drugs cause hair loss, what scalp cooling achieves (50.5% hair-preservation success in the SCALP trial), regrowth timing + persistent alop
Hair Loss in Teenagers: What Is Usually Going On, and What the Evidence Supports at 15 to 19Why teenagers lose hair at 15-19: pattern loss, effluvium, alopecia areata, traction. Familial AGA reached 72.8% in one cohort. Red flags inside.
Seasonal Hair Shedding: Why Hair Falls More in Late Summer and Autumn, and When It Is Something ElseHair really does shed more in late summer: shed hairs peaked around August/September at about 60 per day in one cohort. When it is something else.
Trichotillomania (Hair-Pulling Disorder): How It Is Diagnosed, What Treatment Has Trial Evidence, and Whether the Hair Grows BackHow dermatologists diagnose hair-pulling disorder, which treatments have trial evidence (76% responded to habit reversal training), and whether hair r

Diagnosis & Testing 9

How hair loss is identified, which blood tests matter, and when to see a doctor.

Oral Treatments 13

The prescription medicines, what the trials measured, and what they cost you.

Topicals 10

Minoxidil and everything applied to the scalp, ranked by evidence.

Procedures & Devices 10

Transplants, PRP, lasers and microneedling — what the studies actually show.

Scalp Health 10

The skin the hair grows out of, and the conditions that damage it.

Diet & Lifestyle 14

Where nutrition genuinely matters, and where the supplement aisle is selling you nothing.

Women's Hair Loss 16

Female pattern loss, postpartum shedding, menopause, PCOS and iron.