The Impact of GLP-1 Receptor Agonists on Hair: Beneficial Effects or Adverse Outcomes?

April 2026 in “ American Journal of Clinical Dermatology ”

S. Morteza Seyed Jafari, Gemma Caro, Shari R. Lipner, Matilde Iorizzo

GLP-1 receptor agonists insulin resistance telogen effluvium hair loss

TLDR GLP-1 receptor agonists may help or harm hair health, needing more research.

The document examines the dual effects of GLP-1 receptor agonists on hair health, noting that while some studies suggest benefits for hair loss related to insulin resistance, there are also reports of adverse outcomes like telogen effluvium. The mixed evidence highlights the necessity for further research into the dermatological effects of these medications.

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research Increased Risk of Telogen Effluvium with Tirzepatide Compared to Other Weight-Loss Medications: A Retrospective Cohort TriNetX Database Study

August 2025 in “Journal of the American Academy of Dermatology”

research Association Between Androgenetic Alopecia and Glucagon-Like Peptide-1 Receptor Treatment in Type 2 Diabetes Mellitus Patients: A Retrospective Cohort Study

July 2025 in “International Journal of Dermatology”

research Alopecia and Semaglutide: Connecting the Dots for Patient Safety

4 citations , March 2025 in “Journal of Cosmetic Dermatology”

Semaglutide may cause hair loss, but more research is needed to confirm this.

research Dermatologic Implications of GLP-1 Receptor Agonist Medications: A Comprehensive Review

February 2025 in “Skin Appendage Disorders”

GLP-1 receptor agonists can cause skin reactions, facial fat loss, and hair loss, but may help with wound healing and skin conditions.

research Exploring the Hair Loss Risk in Glucagon-Like Peptide-1 Agonists: Emerging Concerns and Clinical Implications

January 2025 in “Journal of the European Academy of Dermatology and Venereology”

Newer GLP-1 drugs like semaglutide may cause hair loss.

research Treatment of Insulin Resistance With Tirzepatide Leading to Improvement of Hair Loss

12 citations , June 2024 in “JAAD Case Reports”

Tirzepatide may improve hair loss by reducing insulin resistance.

research GLP-1 Agonists and Hair Loss: A Call for Further Investigation

May 2024 in “International Journal of Dermatology”

More research is needed to understand if GLP-1 agonists affect hair health.

research Association of Obesity and Bariatric Surgery on Hair Health

February 2024 in “Medicina-lithuania”

Obesity and bariatric surgery can cause hair thinning and temporary hair loss due to nutritional deficiencies and stress.

research The AR/miR-221/IGF-1 Pathway Mediates the Pathogenesis of Androgenetic Alopecia

2 citations , January 2023 in “International Journal of Biological Sciences”

A specific pathway involving AR, miR-221, and IGF-1 plays a key role in causing common hair loss.

research Telogen Effluvium: A Comprehensive Review

56 citations , August 2019 in “Clinical, Cosmetic and Investigational Dermatology”

The document concludes that Telogen Effluvium is a hair loss disorder that can be assessed with the modified wash test and may be treated with clobetasol foam, with patient management being important.

research Insulin-Like Growth Factor-1: Roles in Androgenetic Alopecia

27 citations , February 2014 in “Experimental Dermatology”

IGF-1 affects hair loss and could be a potential treatment.

research Androgenetic Alopecia, Metabolic Syndrome, and Insulin Resistance: Is There Any Association? A Case-Control Study

34 citations , January 2014 in “Indian Dermatology Online Journal”

Hair loss linked to metabolic issues and insulin resistance; early assessment may reduce future health risks.

research Glucagon-Like Peptide-1 Receptor and Proglucagon Expression in Mouse Skin

37 citations , March 2006 in “Regulatory Peptides”

Mice skin has components that could help with hair growth and might be used for diabetes treatment.