This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page. Embed Code Restart Playing WATCH MORE VIDEOS FROM THIS EPISODE > Dermatologist Dr. Ava Shamban offers Katherine a surprising way to reduce acne and pore size at the same time! Plus, what can you do at home to curb the oil slick on your face? ShareTweet