Introduction
Adult-onset acne can feel frustrating and unexpected, especially when it appears after years of clear skin. Deep cystic breakouts along the jawline, chin, and neck often signal internal hormonal shifts rather than poor hygiene or topical irritation. Fluctuations in estrogen, progesterone, testosterone, insulin, and cortisol all influence oil production and inflammation. According...
English
Arabic
French
Spanish
Portuguese
Deutsch
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek
