Does stress cause acne?

Stress doesn't create acne from nothing, but it clearly worsens it. Stress raises cortisol and other hormones that increase inflammation and oil production, and studies in students show acne flaring during high-stress exam periods. Stress also makes people pick at their skin and neglect their routine.

So while stress isn't the root cause, managing it is a legitimate part of getting acne under control.

What the research says

Stress doesn't start acne, but studies show it worsens it. Chiu et al. (Arch Dermatol, 2003) tracked students and found acne severity rose during high-stress exam periods.

Stress raises cortisol and inflammatory signalling, which can increase oil production, and it changes behaviour — more skin-picking, worse sleep and a neglected routine all feed flares.

What you can do

• Build in stress-reduction you'll actually keep up (sleep, exercise, downtime).
• Don't abandon your routine when busy — that's when flares happen.
• Avoid picking; it turns a flare into scarring.

Bottom line

Stress is a genuine aggravator, not a root cause. Managing it — and not abandoning your routine when busy — is a legitimate part of getting acne under control.

Vet your skincare too

Diet is only one piece. Many breakouts are driven by what you put on your skin. Paste your products into our comedogenic ingredient checker to rule out pore-clogging ingredients, and check for fungal-acne triggers if your bumps are small and itchy.

Sources & further reading

• Chiu A, et al. The response of skin disease to stress: changes in acne vulgaris during examinations. Arch Dermatol. 2003.
• American Academy of Dermatology — acne resources

By Mitchell Zandwijken · Last updated July 2026. See our sources & methodology.