Hair Extensions: Anatomic, Biological, And Clinical Implications In Alopecia

February 2026 in “ Journal of Craniofacial Surgery Open ”

Olena Sydorchuk, Kyu‑Ho Yi

traction alopecia follicular stress barrier injury thermopolymer adhesive mechanical attachment temporary attachment thermal bonding scalp microbiome inflammation anti-inflammatory treatments hair extensions scalp health allergic reactions scalp care

Studysummary This narrative review outlines the biological costs of hair extensions, such as traction leading to hair loss and scalp issues, and suggests a prevention-focused model involving risk assessment, surveillance, and tiered therapies to minimize alopecia risk and maintain scalp health.

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