GLP-1 Medications and Hair Loss: What you should know

A new study raises questions about a possible connection between GLP-1 medications and male-pattern hair loss. However, it does not prove that these medications cause baldness.

Researchers found that genetically predicted higher GLP-1 receptor levels were associated with approximately 7% greater odds of male-pattern hair loss. This was a genetic study, not a study of patients taking these medications. The finding does not mean that 7% of people using GLP-1 medications will lose hair.

Weight loss itself can trigger temporary shedding, called telogen effluvium. This often begins several months after significant weight loss or physical stress and may improve once the body stabilizes. Shedding can also make previously subtle hereditary thinning more noticeable.

Treatment may help. For underlying pattern hair loss that becomes apparent during GLP-1 treatment, options such as PRP, finasteride in appropriate patients, minoxidil, low-level laser therapy, and high-energy lasers (Folix) may improve density and promote regrowth. These treatments have evidence for pattern hair loss, although their effectiveness specifically for GLP-1-associated hair loss remains uncertain.

If you notice shedding or thinning, consult a dermatologist to identify the cause and discuss treatment. Do not stop your GLP-1 medication without speaking with your prescribing clinician.

Sources: The Washington Post (October 3, 2026) | AAD: Hair shedding | AAD: Treatment options | Fractional laser study