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Does Semaglutide Cause Hair Loss? What You Need to Know

Alan Lucks | MD

Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on February 5th, 2026.

Key Takeaways

  • Emerging research suggests a potential link between semaglutide and hair loss

  • Hair loss may be related to rapid weight loss, not the medication itself

  • Nutritional strategies can help mitigate potential hair health concerns

  • Consultation with healthcare providers is crucial before starting weight loss medications

Semaglutide, the active ingredient in popular weight loss medications, has gained significant attention for its effectiveness in weight management. However, recent studies have raised questions about potential side effects, particularly hair loss. Understanding the nuanced relationship between this medication and hair health is essential for individuals considering or currently using these glp-1 drugs for weight loss.

A groundbreaking study from the University of British Columbia has brought this potential side effect into the spotlight, highlighting the complex interactions between weight loss medications and bodily processes. While the research is preliminary, it offers important insights for patients and healthcare providers.

Understanding the Research Findings

The University of British Columbia study analyzed health information from nearly 2,000 individuals taking semaglutide. Researchers discovered a notable difference in hair loss rates between semaglutide users and those taking alternative weight loss medications. The study found 26.5 out of 1,000 semaglutide users experienced hair loss, compared to 11.8 out of 1,000 users of other medications.

Potential Mechanisms of Hair Loss

Experts propose several potential explanations for hair loss associated with semaglutide. Rapid weight loss can trigger physiological stress, disrupting the natural hair growth cycle. Oral weight loss medications like semaglutide significantly reduce appetite, which may lead to nutritional deficiencies that impact hair health.

Nutritional Considerations

Proper nutrition plays a critical role in managing potential hair loss. Medical professionals recommend:

  • Prioritizing protein intake

  • Considering biotin supplementation

  • Working with a dietitian to develop a comprehensive nutrition plan

Gender and Hair Loss Risks

Interestingly, the study revealed that women may experience a more pronounced risk of hair loss when taking semaglutide. This gender-specific finding warrants further investigation and personalized medical guidance.

Management and Prevention Strategies

Strategy

Description

Effectiveness

Nutritional Optimization

High-protein diet, balanced nutrients

High

Supplementation

Biotin, multivitamins

Moderate

Medical Consultation

Regular check-ups, hormone testing

High

Topical Treatments

Minoxidil, hair growth stimulants

Moderate

Frequently Asked Questions

Is hair loss guaranteed with semaglutide?

No, hair loss is a potential side effect, not a certainty. Many users do not experience significant hair loss.

How long does medication-related hair loss last?

Typically, this type of hair loss is temporary and resolves as the body adjusts to metabolic changes.

Can I prevent hair loss while taking semaglutide?

Working with healthcare providers, maintaining proper nutrition, and considering supplements can help minimize risks.

Should I stop taking semaglutide if I experience hair loss?

Always consult your healthcare provider before making medication changes.

Are there alternative weight loss medications with lower hair loss risks?

Your doctor can help you evaluate different prescription medications for weight loss based on your individual health profile.

The Bottom Line

While the potential for hair loss exists, it should not automatically disqualify semaglutide as a weight loss option. Individual experiences vary, and the benefits may outweigh potential side effects for many patients.

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