Ways To Prevent Acne by Margot Carlson Ways To Prevent AcneWashing your face every morning and night with these products really reduce your acne. And even if you don't already have acne, still use these things. Cause they also help prevent it. More tips on how to prevent acne: -don't wear too much makeup. And if you do make sure your taking it off every night. -drink lots of water -stay healthy.