Can Mold Cause Hair Loss? Exploring the Connection

WrittenbyDr. Edna Skopljak, M.D.
Last updated

Mold exposure is commonly associated with respiratory issues, but some molds may also impact hair and scalp health leading to temporary or permanent shedding.

Can mold cause hair loss?

Certain indoor mold species are capable of inducing telogen effluvium by secreting inflammatory mycotoxins that can disrupt the hair growth cycle in sensitive individuals.

Common Culprit Molds

Stachybotrys chartarum ("black mold") and several Penicillium/Aspergillus varieties frequently contaminate damp indoor environments like basements or bathrooms.

Mechanism of Toxicity

Mycotoxins act as potent trichothecenes, inducing an inflammatory immune response on the scalp that prematurely halts growth phases over time.

Symptoms of Mold-Induced Shedding

Increased, diffuse shedding observed 2-4 months after exposure begins. Hair may also appear dry, brittle without usual luster.

Potential for Permanence

If exposure stops early, hair typically fully regrows in 4-6 months. Prolonged contact increases likelihood of residual scarring AGA.

Avoidance and Treatment

Thorough remediation of source(s) combined with antifungal shampoos/supplements often restores hair if caught before extensive loss.

Consult Experts

If suspected, have indoor air professionally tested and address any contaminants to prevent ongoing damage to hair and health.

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Dr. Edna Skopljak, M.D.

About the Writer

Edna Skopljak, MDUniversity of Ljubljana, Faculty of Medicine

Edna Skopljak, MD is a clinical doctor at the University Medical Center Ljubljana and a PhD candidate in Biomedicine at the University of Ljubljana. She combines clinical work with research and medical editing, bringing a clear, evidence-based lens to patient education. Previously, she held roles in the pharmaceutical sector (product management and chief medical officer) and served as a medical production editor for the journal Biomolecules and Biomedicine.

Dr. Skopljak’s publications span clinical topics, including urology and orthopedics. She has co-authored work affiliated with the Department of Orthopedic Surgery at University Medical Centre Ljubljana. She trained in medicine with early clinical experience in Slovenia, reflecting a long-standing focus on practical, patient-facing care.

She strictly follows our Editorial Standards: All medical statements are grounded in authoritative guidelines, FDA labels, and peer-reviewed studies, with clear distinction between approved treatments and adjunctive options.