For many adults, acne doesn’t disappear with age. Breakouts around the chin and jawline remain common even after 40, and dermatologists say “you’re not alone.” Unlike teenage acne, adult chin pimples are often linked to internal factors rather than poor hygiene, making them frustrating but manageable with the right approach.

Hormonal changes are the main trigger. Fluctuations in androgens can increase oil production, clog pores, and cause inflammation. This is common during menopause, perimenopause, hormone therapy, or changes in birth control, but men can be affected too. If breakouts follow a pattern, your skin may be reacting to “internal shifts, not external habits.”

Stress is another major factor. When stress rises, the body releases cortisol, known as the “stress hormone,” which can overstimulate oil glands and cause chin acne. Ongoing worries about health, finances, or daily life can quietly affect the skin. Simple habits like gentle exercise, meditation, or time outdoors can help.

Diet and skincare also play a role. Dairy, refined sugar, and processed carbs may trigger flare-ups, while harsh products, over-cleansing, or touching the face can make acne worse. Hair products, beards, pillowcases, and phone screens can also transfer oil and bacteria to the chin.

Most chin acne improves with gentle cleansing, non-comedogenic products, and targeted treatments like salicylic acid. But persistent cases may signal conditions like PCOS. Acne “is not just a teenage issue,” and with patience and consistency, clearer skin is possible at any age.