Boost your beauty from the inside out with walnuts! Dietician Frances Largeman-Roth explains how they can help moisturize your skin and how many you should incorporate into your diet.

Watch more 30 Days of Beauty tips. 


Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.