The Tamsen Show

Episode: The Hair Loss Doctor: What Works (And What’s a Waste)

Host: Tamsen Fadal
Guest: Dr. Michelle Henry (Board-Certified Dermatologist, NYC)
Date: February 25, 2026

Episode Overview

This week, Tamsen Fadal dives into the highly personal and often stigmatized subject of hair loss in women. Drawing on her own struggles and the countless messages from listeners, Tamsen invites renowned dermatologist Dr. Michelle Henry for a no-nonsense, compassionate conversation. They cover why hair loss happens, how to tell breakage from true loss, which treatments have proven results, and how to move forward without shame. The episode is packed with science, empathy, and practical advice for any woman struggling with hair changes—whether due to perimenopause, stress, medical factors, or lifestyle.

Key Discussion Points & Takeaways

The Emotional Impact and Stigma of Hair Loss in Women

• Opening Story: Tamsen shares her personal experience with hair loss tied to perimenopause and divorce, highlighting how hair is linked to female identity.

  • “As women, we wrap so much of our identity into our hair. When it starts to change… it can feel like you’re losing a piece of yourself.” (Tamsen, 00:44)

• Why It’s Taboo: Dr. Henry explains the secrecy around women’s hair loss and why her dermatology practice often doubles as a psychologist’s office.

  • “A lot of the things that we use to conceal are acceptable… It takes a lot of courage to come to my office, reveal themselves and have that conversation.” (Dr. Henry, 04:13)
  • “Over 40–50% of women, especially when you get to perimenopausal period, will have some sort of hair loss.” (Dr. Henry, 07:04)

Types of Hair Changes: Loss vs Breakage

• Definitions:
  • Hair Loss: Loss of density and thickness—often internal/hormonal/genetic causes (e.g. female pattern hair loss, telogen effluvium post-pregnancy, autoimmune causes).
  • Breakage: Hair doesn’t grow long due to external/“outside job” factors (heat, dyes, bad products, moisture/protein imbalance).
    • “Breakage is usually an outside job… The inside job, that’s going to be the female pattern hair loss.” (Dr. Henry, 08:18)

Hair Loss Triggers and Diagnostic Process

• Physiological Triggers:

  • Hormonal shifts (perimenopause, menopause, postpartum)
  • Stress, illness, rapid weight loss (e.g. GLP-1s can cause hair loss via telogen effluvium—not the drugs, but the metabolic changes)
    • “Whenever there is a stressor, our body will shed our hair to preserve that metabolic energy for more important tasks.” (Dr. Henry, 09:34)
  • Health warning: Hair is the body’s health “tattletale” and can reflect nutritional/metabolic stress before other symptoms.

• Diagnosis Starts With:

  • Clinical exam: looking for density, signs of inflammation, scalp health.
  • Hair count: Losing more than ~100 hairs/day is a red flag (Dr. Henry, 12:12).
  • Blood tests: Thyroid, iron, B12, autoimmune screens, prolactin, hormone levels to check for other contributors.

Treatments That Work (and For Whom)

First, Timing Matters

• “The minute you think you're having hair loss, talk to your dermatologist. We are much better at keeping the hair than bringing it back when it's too far gone.” (Dr. Henry, 10:54)

Medicines & Interventions

• Minoxidil (Topical & Oral):

  • The only FDA-approved topical hair growth agent, safe at varying strengths for women.
    • “5% [topical] is absolutely safe for women. I will make it up to 10% in my office.” (Dr. Henry, 20:15)
  • New low-dose oral minoxidil is better tolerated, with fewer unwanted hair side effects.

• PRP (Platelet-Rich Plasma) Injections:

  • Uses growth factors from your own blood, can be safe for postpartum women.
  • “We're harnessing the body's own capacity to grow hair.” (Dr. Henry, 19:14)

• Other Prescription Compounds:

  • Finasteride or dutasteride (hormonal DHT-blockers, sometimes compounded topically with minoxidil and tretinoin)
  • Steroids for women due to often higher scalp inflammation.

• Supplements:

  • Nutrafol, Viviscal, Biosil: “While they may not stimulate hair growth, they create an environment that's optimal for growth.” (Dr. Henry, 26:43)
  • NOT biotin! High doses may interfere with heart tests; “More leave it.” (Dr. Henry, 46:23)

• Adjuncts:

  • Red light therapy (photobiology), microneedling, sometimes peptides (early research).

• Lifestyle, Diet, and Hair Care:

  • High quality protein and omega-3s are vital for hair.
  • “As with all things, trash in, trash out. If you have a poor diet, you’re gonna see that in your hair.” (Dr. Henry, 34:05)

What’s a Waste? What’s Overhyped?

• Shampoos: Can help clean/maintain scalp, but don’t treat hair loss on their own.
• Rosemary oil & “study” hype: “It doesn’t hurt… But if you’re having a real hair loss condition, you’re just wasting time.” (Dr. Henry, 48:06)
• Aggressive scalp scrubbing/exfoliation: Unnecessary and may inflame scalp. Be gentle.
• Brushing 100 strokes “old school”: Not recommended—over manipulation causes breakage.
• Scalp oiling: Only certain oils recommended (jojoba, argan), but olive oil may encourage fungus/dandruff.
• Caffeine shampoos: “I’ll pass.” (Dr. Henry, 50:19)

Alternative/Advanced Treatments

• Hair Transplants:
  • “90% of my transplant patients are women… But you need to come in before your hair is too far gone.” (Dr. Henry, 36:15)
  • Candidates need stable, controlled hair loss and good donor sites.
  • Caution: Medical tourism (e.g. “cheap” transplants in Turkey) may be risky without proper diagnosis and stabilization.

Common Misconceptions and Social Media Myths

• Evidence Hierarchy: Dr. Henry breaks down what a real “study” means in medicine—case studies, randomized controlled trials, meta-analyses—and why most social media claims are low-grade evidence (see 46:39–48:04).
• Don’t blame yourself!: Most women suffer from some type of hair loss. “Share your stories… Advocate for yourself… We’re so much more than our external appearance.” (Dr. Henry, 39:00)

Memorable Quotes & Moments

• On letting go of shame:

  • “I want you to leave that shame here… Because today you’re going to get real answers.” (Tamsen, 01:24)
  • “Shed all shame. This is not your fault… it is a part of the human experience.” (Dr. Henry, 43:57)

• Hair as a health barometer:

  • “Our hair also tells us a lot about the state of our health because it is quite sensitive to those changes.” (Dr. Henry, 09:57)

• Advice for anyone struggling:

  • “Come in ready to have a long conversation, to share, cry if you need to… Prepare for the journey. It’s a journey. Have patience and know that it’s just one part of caring for yourself.” (Dr. Henry, 44:26)

Quick Treatment Rundown – "Pass or Keep" Segment

(44:47–50:15)

• PRP (Platelet-Rich Plasma) — Keep
• Laser caps/Red light therapy — Keep (“not the holy grail, but helps”)
• Oral Minoxidil — Keep (if right for you)
• Topical Minoxidil — Keep
• Hair supplements (like Nutrafol/Viviscal/Biosil) — Keep (dependent on overall health)
• Biotin — Pass (“leave it” due to poor evidence and safety concerns)
• Rosemary oil — Pass (“doesn’t hurt, but don’t expect real results”)
• Scalp oiling — Careful; prefer jojoba/argan over olive oil
• Microneedling — Keep (fair data for growth factor stimulation)
• Caffeine shampoo, aggressive scrubbing/“scalp massage” — Pass

Timestamps for Key Segments

• Personal stories/Setting the tone: 00:00–06:13
• Why hair loss is so emotional: 06:13–07:28
• Prevalence/statistics: 07:28–08:03
• Hair loss vs. breakage & causes: 08:03–09:05
• How GLP-1s/weight loss meds trigger loss: 09:08–09:52
• Hair as a stress sign: 09:52–10:56
• When to see a dermatologist: 10:56–12:12
• Diagnostic process/blood work: 12:19–17:03
• Hormones, menopause & hair: 17:03–19:14
• Hormone therapy effects: 18:15–18:45
• Minoxidil, PRP and other treatments: 18:45–21:18
• Supplements & nutrition: 26:31–34:30
• What NOT to do/myths/Pass-or-Keep: 44:47–51:00
• Hair transplants & advanced options: 35:56–38:28
• Self-blame, advocacy & final advice: 38:33–44:26

Final Thoughts

This episode is a must-listen for any woman concerned about hair changes. Dr. Michelle Henry’s mix of hard science, debunking of fads, practical step-by-step guidance, and empathetic support provide a clear path through the confusion and emotion of hair loss. Most critically: Hair loss is common, not your fault, and help is available.

Notable Quote to Remember

“You’re not alone in this. Seek out help and be honest. Have no shame. We’ve seen absolutely everything… There’s nothing a patient’s going to come in to do and surprise me.”
— Dr. Michelle Henry (43:57)

Recommended first step if you’re struggling:

• See a dermatologist quickly (especially if shedding > 100 hairs/day)
• Don’t self-diagnose or rely solely on social media fads
• Focus on optimizing scalp health and nutrition
• Start treatment early—prevention and stabilization are key