What Causes Acne? Here’s What Experts Say

Acne develops when hair follicles become clogged with oil and dead skin cells. This blockage creates the perfect environment for bacteria to grow, leading to inflammation, pimples, blackheads, and whiteheads.

Several factors can trigger or worsen acne. Hormonal changes—especially during puberty, menstruation, pregnancy, or periods of stress—can increase oil production in the skin. Genetics also play a role, meaning people with a family history of acne may be more prone to breakouts.

Lifestyle and environmental factors matter too. Heavy or pore-clogging skincare products, high humidity, sweating, and frequent touching of the face can contribute to flare-ups. Diet may influence acne in some individuals, particularly foods with a high glycemic index, though research is still ongoing.

Dermatologists note that acne is extremely common and treatable. Consistent skincare, non-comedogenic products, and medical treatments when needed can significantly improve symptoms.

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