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Hormonal Shifts: The #1 Cause of Chin Acne
One of the biggest reasons adults develop chin pimples is hormonal imbalance. Unlike acne that shows up across the forehead or cheeks, breakouts around the chin and jawline are strongly tied to hormones—particularly fluctuations in androgens, which increase oil production in the skin.

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- Menopause or perimenopause
- Hormone replacement therapy (HRT)

- Stopping or starting birth control
- Irregular cycles or health conditions such as polycystic ovary syndrome (PCOS)
Even for men, a natural shift in hormones as they age can trigger changes in oil production, making the chin area especially vulnerable to clogged pores and inflammation.