My Hair Is Thinning, could it be due to my GLP-1?

Experiencing thinning hair while on a GLP-1 medication like semaglutide or tirzepatide can be frustrating, but it’s often temporary. Rapid weight loss, reduced nutrient intake, and shifts in hormone levels or stress can all contribute to increased shedding. Supporting your body with protein-rich meals, key vitamins, and gentle hair care can help restore balance and encourage healthy regrowth as your body adjusts.

If you've noticed your hair feeling thinner since starting a GLP-1 medication like semaglutide or tirzepatide, you're not alone—and you're not imagining it. While these medications are effective for weight loss and managing blood sugar, some users report unexpected side effects, including hair thinning or increased shedding. Let’s explore why this might be happening and what you can do about it.

Rapid Weight Loss = Temporary Hair Loss

One of the most common reasons for hair thinning while on a GLP-1 is rapid weight loss itself—not necessarily the medication. When your body experiences a significant shift in weight or calorie intake, it can enter a state of stress, triggering telogen effluvium, a temporary condition where more hair than usual enters the shedding phase.

This usually happens a few months after the weight loss begins and can last for 3–6 months before your hair growth cycle normalizes.

Nutrient Deficiencies

Another major factor is reduced nutrient intake. GLP-1 medications curb appetite significantly, which can unintentionally lead to under-eating or not getting enough key nutrients like:

• Protein (vital for hair structure)

• Iron

• Zinc

• Biotin

• B vitamins

If your meals are smaller and less frequent, your body might not be getting the fuel it needs to maintain healthy hair growth.

Hormonal Shifts & Stress

Weight loss and new medications can also affect your hormonal balance and stress levels—both of which can impact hair health. Cortisol spikes, changes in thyroid function, or other shifts in your endocrine system can subtly contribute to thinning hair.

What You Can Do

1. Focus on Nutrient-Rich Meals
   Prioritize protein, healthy fats, leafy greens, and whole grains to support your hair and overall wellness.

2. Consider Supplements
   Talk to your provider about adding a multivitamin or hair-specific nutrients like collagen, biotin, iron, and zinc.

3. Don’t Panic—It’s Usually Temporary
   Telogen effluvium resolves on its own with time. Most people see regrowth within 6 months once their body stabilizes.

4. Consult Your Provider
   Always rule out underlying issues like thyroid imbalances, anemia, or medication side effects.

5. Support Hair from the Outside
   Use gentle hair care products, avoid excessive heat styling, and consider treatments that promote scalp health.

💬 Final Thoughts

Hair thinning while on a GLP-1 medication can be frustrating, but it's usually a temporary response to rapid weight loss or reduced nutrition—not permanent hair loss. With the right care, support, and a little patience, your hair can bounce back just like your energy and confidence.

If you're concerned about hair changes or want to optimize your wellness while on your weight loss journey, the team at Core Aesthetic is here to support you—inside and out.