Hair Loss Conditions
Educational guides to common hair loss conditions, causes, symptoms, diagnosis conversations, treatment options, and when to seek medical care.
How to Use This Topic Hub
Start with the articles that match your current question, then compare the advice against your Norwood stage, donor area, budget, medical history, and treatment goals. For surgery-related decisions, use these guides to prepare consultation questions rather than as a substitute for an in-person medical evaluation.
Best age to start hair loss treatment to preserve what you have
Starting finasteride or minoxidil in your 20s preserves far more hair than waiting. Here's the evidence on timing, by age and Norwood stage.
Can biotin overdose actually cause a hair loss reverse effect?
High-dose biotin can indirectly worsen hair loss by skewing thyroid and hormone lab results. Here's what the FDA warns, what the evidence shows, and what to...
Can DHT be measured in blood tests accurately?
DHT blood tests exist but have real accuracy limits. Learn what the numbers mean, when testing makes sense, and what labs actually measure.
Can hair follicles be permanently dead? How to tell if yours are gone
Most follicles aren't dead, just dormant. Learn the real signs of permanent follicle loss, what scars mean, and when treatment can still work.
Can hair loss from scalp inflammation be reversed?
Scalp inflammation causes real hair loss, but most cases reverse with the right treatment. Here's what actually works, what doesn't, and when to worry.
Can hair loss reverse itself without treatment?
Some hair loss does reverse on its own. Learn which types recover spontaneously, which never do, and what the research actually shows before you spend a cent.
Can a low-carb or keto diet cause hair loss, and how do you stop it?
Keto diets can trigger hair shedding in up to 30% of followers within 3 months. Here's why it happens, how long it lasts, and what actually helps.
Can melatonin help with hair loss? What the clinical evidence shows
Melatonin applied to the scalp increased hair growth in 3 of 4 clinical trials. Here's what the evidence actually shows, who it may help, and who it won't.
Can PRP therapy regrow hair? An honest evidence review
PRP can regrow hair in some patients with androgenetic alopecia, but trials show wide variation. We break down what the evidence actually says.
Can scalp psoriasis treatment help regrow lost hair?
Scalp psoriasis can cause temporary hair loss. Treating the inflammation often lets hair regrow in weeks to months. Here's what the evidence actually shows.
Can scalp tension theory explain hair loss and massage treatment?
Scalp tension theory links mechanical stress to androgenic hair loss. Here's what the evidence actually shows, what massage can and can't do, and what to do...
Can topical finasteride cause sexual side effects like oral?
Topical finasteride causes far fewer sexual side effects than oral, studies show ~1 to 2% vs ~4 to 8% with pills. Here's what the data actually says.