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.
Do you have to use minoxidil forever to keep your hair?
Stop minoxidil and most regrown hair falls out within 3-6 months. Here's the science, your real options, and when stopping actually makes sense.
Does Adderall cause hair loss? What the evidence actually says
Adderall lists alopecia as a rare side effect on its FDA label. Here's what that means, how common it really is, and what you can do about it.
Does biotin block DHT? What the evidence actually shows
Biotin does not block DHT. Learn what biotin actually does for hair, why DHT blockers work differently, and which treatments have real clinical evidence.
Does blocking DHT lower testosterone? What the evidence says
Blocking DHT with finasteride raises total testosterone by ~15%. Here's exactly what happens to your hormones, libido, and hair when you take a 5-alpha...
Does creatine cause hair loss? What the evidence actually says
One small 2009 study linked creatine to higher DHT levels, but no trial has shown it directly causes hair loss. Here's what the evidence really shows.
Does a DHT blocker actually work for hair loss?
DHT blockers like finasteride cut scalp DHT by ~70% and regrow hair in ~65% of men. Here's what the evidence actually says, and what it doesn't.
Does dry shampoo cause hair loss? What the evidence says
Dry shampoo doesn't directly cause hair loss, but heavy daily use can clog follicles and worsen shedding. Here's what dermatologists actually know.
Does finasteride block DHT? How much, how fast, and what it means for hair
Finasteride blocks up to 70% of scalp DHT within weeks. Here's exactly how it works, what the clinical numbers show, and who it actually helps.
Does finasteride cause ED? What the evidence actually shows
Finasteride causes sexual side effects in roughly 1.5 to 3.8% of men in trials. Here's what the FDA label says, who's most at risk, and what to do.
Does finasteride decrease dick size? What the evidence says
Finasteride does not list penis size reduction as a side effect. But sexual side effects are real in 1-3.8% of men. Here's what the clinical data actually...
Does finasteride grow hair back? What the evidence actually shows
Finasteride regrows hair in roughly 66% of men after 2 years and slows loss in 83%. Here's what the trials show, who responds best, and what to expect.
Does finasteride increase testosterone? What the science says
Finasteride raises total testosterone by roughly 10 to 15% by blocking DHT conversion. Learn what that means for hair loss, side effects, and your hormones.