Is DHT Causing Your Hair Thinning? Here's How to Tell

Before you spend money on hair products, it's worth knowing what's actually causing your thinning. If it's DHT, one approach helps. If it's something else, that same product does basically nothing. Here's how to figure out which camp you're in.

What DHT thinning looks like

DHT is a hormone that slowly shrinks hair follicles in people who are sensitive to it. The key thing is that it follows a pattern:

  • Men: a receding hairline and a thinning crown.
  • Women: a widening center part.

If your hair is shedding evenly all over instead of in a pattern, DHT probably isn't the cause. That kind of all-over shedding usually comes from stress, thyroid issues, low iron, or things like tight hairstyles. And a little shedding is normal anyway. Losing 50 to 100 hairs a day is just life, not thinning.

Two quick at-home checks

Look for baby hairs. Part your hair under bright light near your hairline and crown. Fine, short hairs mixed in with normal ones are an early sign of DHT thinning, often long before you can see scalp.

Do the pull test. On unwashed hair, gently pull a small section of about 20 to 30 strands from root to tip. If more than 2 or 3 come out, and it happens across different spots, you've got active shedding worth looking into. Skip this right after a shower; it'll read high.

Then take the same three photos (crown, hairline, part) once a month. This stuff moves slowly, so checking daily just stresses you out for no reason.

Rule out the other stuff first

This is the step people skip, and it costs them months. Thyroid problems, low iron, and postpartum changes all look like early DHT thinning but need completely different treatment. A quick blood test through your doctor or dermatologist sorts this out. If it comes back normal and your thinning follows the pattern above, DHT is the likely culprit. A dermatologist can confirm it for sure, which is worth doing before you commit to a longer supply of any product.

If it is DHT, here's the move

A supplement built around the DHT pathway, like the Nutrafol DHT Inhibitor MD, is a reasonable place to start alongside your dermatologist's advice. Nutrafol uses ingredients like saw palmetto to support your body's DHT and stress pathways. It's a supplement, not a prescription drug, so it supports the process rather than shutting it down the way finasteride does.

There's a women's formula and a men's kit, each built for its pattern. You can also layer on a hair serum or add a laser cap for an extra push.

The one rule: give it 90 days minimum. Hair grows slowly, and quitting at week four is the most common mistake there is. Check in at six months with your photos and another pull test. You're looking for less shedding and finer hairs filling in, not an overnight transformation.

Quick FAQ

Does Nutrafol block DHT? Not fully. It supports the DHT pathway with ingredients like saw palmetto. It's a supplement, not a prescription blocker.

How long until I see results? At least 90 days. Track it in three-month chunks, not week to week.

Can women take it? Yes, there's a formula made specifically for female-pattern thinning.

Nutrafol or finasteride? Finasteride is a prescription that actively lowers DHT. Nutrafol is an over-the-counter supplement that supports the same pathway more gently. Which one fits you is a conversation for your dermatologist.

The one thing to remember

Figure out your pattern before you buy anything. Most people who assume it's DHT never actually check whether their shedding is patterned or all-over, and end up spending three months and real money on the wrong fix.

Shop the full dermatologist-curated hair lineup.

Leave a comment

Please note, comments need to be approved before they are published.