It’s one of the biggest experiments we’ve ever done! Could you make it through a whole day wearing a waist trainer? Survive 24 hours with no sleep? Or eat healthy on just $4 a day? See what we uncovered in one of our most challenging experiments ever.

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.

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