The natural oils found in avocados help hydrate your skin from the inside out. Learn how to use them in snacks and smoothies with advice from Registered Dietician Frances Largeman-Roth.

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.