What’s Causing My Acne? 10 Common Triggers & How to Fix Them

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Struggling with acne? Learn about 10 common triggers—diet, hormones, stress, and skincare habits—and how to fix them for clearer skin.

Acne can be frustrating, unpredictable, and sometimes downright stubborn. If you’re wondering why you’re breaking out—even when using the right skincare products—there may be underlying causes you haven’t considered. Let’s explore 10 common acne triggers and how to address them for clearer skin.

If you’re struggling with persistent acne, schedule an appointment with
St. Louis Dermatology & Cosmetic Surgery today for expert skin treatments and care!

Causing-Acne
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2 days ago
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4 days ago
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6 days ago
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2. Stress & Cortisol Spikes

Why It Happens:

When you’re stressed, your body produces cortisol, which increases oil production and inflammation—both of which can trigger breakouts.

How to Fix It:

  • Practice stress management techniques, like meditation, exercise, and quality sleep.
  • Incorporate anti-inflammatory foods like green tea and omega-3s into your diet.
  • Use soothing skincare with ingredients like niacinamide and centella asiatica.

4. Overwashing & Harsh Skincare

Why It Happens:

Stripping your skin of its natural oils with harsh cleansers or excessive washing can trigger more oil production.

How to Fix It:

  • Use a gentle, pH-balanced cleanser twice a day.
  • Avoid alcohol-based toners and harsh scrubs.
  • Apply a lightweight, non-comedogenic moisturizer to keep skin hydrated.

5. Dirty Pillowcases & Phone Screens

Why It Happens:

Your pillowcase and phone collect bacteria, oil, and product residue, which can transfer to your skin and clog pores.

How to Fix It:

  • Change your pillowcase at least twice a week.
  • Wipe your phone screen daily with an alcohol-based cleaner.
  • Sleep with clean hair and avoid touching your face throughout the day.
What is Acne
does drinking water really help your skin

6. Not Drinking Enough Water

Why It Happens:

Dehydration can lead to dull skin, slower healing, and excess oil production as your skin compensates.

How to Fix It:

  • Drink at least eight glasses of water daily.
  • Eat water-rich foods like cucumber, watermelon, and celery.
  • Use a hydrating serum with hyaluronic acid to lock in moisture.

7. Not Washing After Exercise

Why It Happens:

Sweat mixed with bacteria and oil can clog pores if left on the skin too long.

How to Fix It:

  • Wash your face immediately after workouts with a mild cleanser.
  • Use salicylic acid wipes if you can’t shower right away.
  • Wear breathable workout fabrics to prevent body acne.

9. Clogged Pores from Makeup & Skincare

Why It Happens:

Some makeup and skincare products contain comedogenic ingredients that can trap oil and bacteria.

How to Fix It:

  • Choose oil-free, non-comedogenic makeup and skincare products.
  • Remove makeup before bed with a gentle micellar water or oil cleanser.
  • Clean your makeup brushes weekly to prevent bacteria buildup.

Clearer Skin Starts with Small Changes

Acne is complex and can be influenced by multiple factors. The good news? Identifying and addressing your specific triggers can significantly affect your skin health. By making minor adjustments—changing your diet, improving your skincare routine, or managing stress—you can reduce breakouts and improve your skin’s overall appearance.

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