Dermatology

Why is My Face Breaking Out Suddenly as an Adult?

Andre Stone | MD

Medically reviewed by Andre Stone | MD, University of Pittsburgh School of Medicine on August 25th, 2026.

Adult acne affects up to 54% of women and 40% of men over age 25. Sudden breakouts typically result from hormonal fluctuations, increased stress levels, or changes in skincare products. Women often experience flare-ups during menstrual cycles, pregnancy, or menopause due to shifting estrogen and progesterone levels. Stress triggers cortisol production, which increases oil production and inflammation. New skincare products, makeup, or laundry detergents can clog pores or cause allergic reactions. Other factors include dietary changes, medications like corticosteroids, or underlying conditions such as PCOS. If breakouts persist beyond 6-8 weeks or are severe, consult a dermatologist for proper evaluation and treatment options.

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