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Brow Thinning — Causes, Patterns, and How to Restore Fuller Brows

2026年6月2日

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Written by Susan F. Lin, M.D.

Brow thinning has multiple causes: over-tweezing, aging, hypothyroidism (classically affects outer third), telogen effluvium, alopecia areata. Dr. Susan Lin explains the diagnostic patterns and the drug-free framework for fuller, denser-looking brows.

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Physician‑formulated by Dr. Susan Lin, M.D.