Here are clear, practical answers to the questions people ask most often about acne, its causes, treatments and prevention.
What causes acne?
Acne develops when skin pores become blocked with sebum and dead skin cells. Hormones, genetics, diet, stress and certain cosmetics can all contribute to breakouts. Learn more about the main causes of acne.
What is the fastest way to clear acne?
A consistent daily skin care routine combined with an appropriate treatment such as benzoyl peroxide or a topical retinoid usually shows improvement within 4 to 8 weeks. For severe acne, see a dermatologist. Explore acne treatments.
Does diet affect acne?
Yes. High-glycemic foods, refined carbohydrates and sugar can worsen acne in some people. A balanced diet rich in fruits, vegetables and water supports healthier skin. Read more about acne and diet.
Are acne medicines safe?
Most acne medicines are safe when used as directed. Some, like isotretinoin, require careful medical supervision due to potential side effects. Always consult a doctor before starting treatment. See our acne medicines guide.
Can adults get acne?
Yes. Adult acne is common, especially in women. Hormonal changes, stress and cosmetics are frequent triggers. Effective treatments are available. Learn about adult acne.
Does stress cause acne?
Stress can trigger the release of hormones such as cortisol that may worsen acne. Managing stress can help keep breakouts under control. Read more about stress and acne.
What is the difference between blackheads and whiteheads?
Blackheads are open comedones that appear as small dark spots, while whiteheads are closed comedones that form when a pore is completely blocked. Both are common forms of non-inflammatory acne.
Should I pop my pimples?
No. Popping pimples can push bacteria deeper into the skin, increase inflammation and lead to scarring. Let pimples heal naturally or use an appropriate acne treatment.