Hormonal-pattern distribution

Inflammatory

Inflammatory acne concentrated on the lower face (jawline and chin), often flaring with the menstrual cycle — a distribution associated with a hormonal (androgen) driver.

Sources: Vasam et al. 2023 — Acne vulgaris review (Biochem Biophys Rep), StatPearls — Acne Vulgaris (NCBI NBK459173)

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Informational only — not a medical diagnosis. See the medical disclaimer.