Do you have undereye circles or sagging skin? Nutritionist Brooke Alpert reveals the real culprit behind your aging: sugar! Get her 4-week plan to take years off your face. Plus, the must-have moisturizing ingredient for younger skin!

Watch Part 1 of The Power to Prevent Aging.


Watch Part 2 of The Power to Prevent Aging.

Read an excerpt of The Sugar Detox.

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.