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It's Acne Awareness Month, and we know the only thing more frustrating than recurring breakouts is not knowing where they come from. That's why we're getting to the bottom of the problem. Is it stress? Hormones? Or just terribly bad complexion luck? Worry no more. Instead, clear up your mind — and your skin — with this guide to the causes of breakouts. Once you know what's causing acne to flare up, it's easy to develop a plan of attack. Read on to see what culprits could be responsible for your blemishes (and what to do about it).

Your Makeup Brushes Aren't Clean
It's in Your Genes
You Work Out
It's That Time of the Month
You're Picking at Your Face
You're Allergic to Laundry Detergent
It's the Weather
You Need More Sleep
You're Pregnant
You're Traveling
You're on Drugs!
You're a Bundle of Nerves
Those Sheets Are Dirty
You're a Chatty Cathy
Your Diet Is Breaking You Out
Products Are Clogging Your Pores
You're Washing Too Much — Or Not Enough
It's Your Toothpaste
You Go to Bed With Makeup On
You're Not Using Effective Treatments
You're Not Giving It Enough Time
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