<div id="ooyalaplayer" style="width: 800px; height: 450px;"></div><div style="display:none;" id="kalturavideoplaceholder">kalturavideoplaceholder</div><p><a href="http://www.drmelaniegrossman.com/">Dr. Melanie Grossman</a>, a dermatologist based in New York City, explains what causes acne and how you can prevent it.&#xa0;</p><p><strong>Follow BI Video:&#xa0;</strong><a href="https://twitter.com/BI_Video" target="_blank" data-saferedirecturl="https://www.google.com/url?hl=en&amp;q=https://twitter.com/BI_Video&amp;source=gmail&amp;ust=1477767343986000&amp;usg=AFQjCNHbZ7Fd_LF-UPSosThAD5b2Hvyyww">On&#xa0;Twitter</a>&#xa0;</p>

Video

BusinessInsider

A dermatologist explains what causes acne and how you can prevent it

kalturavideoplaceholderDr. Melanie Grossman, a dermatologist based in New York City, explains what causes acne and how you can prevent it.&#xa0;Follow BI Video:&#xa0;On&#xa0;Twitter&#xa0;

kalturavideoplaceholderDr. Melanie Grossman, a dermatologist based in New York City, explains what causes acne and how you can prevent it.

A dermatologist explains what causes acne and how you can prevent it

Eames Yates

READ MORE ARTICLES ON