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How Thyroid Problems Can Trigger Hair Loss

Aug 3

2 min read

How Thyroid Problems Can Trigger Hair Loss

Is Your Hair Falling Out? It Might Be Your Thyroid

Have you been noticing more hair in your brush lately? Or maybe your ponytail feels thinner than it used to? Don’t panic—but do pay attention. One of the hidden reasons for hair loss might be your thyroid.

Let’s break it down in a way that’s simple and easy to understand.


What Is the Thyroid?

Your thyroid is a small butterfly-shaped gland in your neck. Even though it’s small, it does a big job! It controls how fast your body works. This is called your metabolism.

Your thyroid helps with:

  • Energy levels

  • Body temperature

  • Heart rate

  • And yes… hair growth

When your thyroid isn’t working right, it can cause all sorts of problems—including hair thinning or shedding.


How Thyroid Problems Cause Hair Loss

There are two main ways your thyroid can get off track:

1. Hypothyroidism (Low Thyroid)

This happens when your thyroid isn’t making enough hormones. That can cause:

  • Dry, brittle hair

  • Hair falling out from your scalp

  • Hair loss in your eyebrows or eyelashes

2. Hyperthyroidism (Overactive Thyroid)

This happens when your thyroid is working too much. It can lead to:

  • Fine, thinning hair

  • Hair falling out faster than it grows

Both conditions mess with your body’s natural hair cycle, which means more hair ends up falling out—and less grows back.


Other Signs to Look Out For

If your hair is thinning and you also notice these symptoms, your thyroid might be the culprit:

  • Feeling tired all the time

  • Weight gain or loss you can’t explain

  • Feeling cold or hot often

  • Dry skin

  • Mood changes or anxiety

If this sounds like you, it’s a good idea to talk to your doctor and get a simple blood test.


Can the Hair Grow Back?

The good news? Yes, in most cases, your hair can grow back once your thyroid is treated. But it can take time—sometimes a few months—so be patient.

To help your hair while your body heals:

  • Eat foods rich in vitamins like B12, iron, and biotin

  • Avoid harsh styling or tight hairstyles

  • Use gentle, nourishing hair products

  • Stay consistent with your thyroid treatment


Don’t Wait to Get Help

Hair loss is more than just a cosmetic issue—it can hurt your confidence and affect your daily life. If you suspect your thyroid is involved, getting answers sooner can make all the difference.

At New Look Institute, we are experts on hair loss and scalp health—and we know how overwhelming it can feel to watch your hair thin or fall out. Our team is trained in trichology (the science of the scalp) and understands how conditions like thyroid problems affect your hair. If you’re worried about hair loss, let’s talk. Schedule a free consultation with us today and take the first step toward feeling like yourself again.

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Schedule Your Free Consultation at San Jose

At New Look Institute, clients can expect to receive plenty of individual attention, as well as access to proven hair replacement solutions that are sure to meet their needs. We invite anyone who is struggling with thinning hair to meet with us in person at our hair replacement studio in San Jose, where you'll learn more about the options that meet your lifestyle, budget, and hair loss needs.

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