Flat irons, relaxers and the controversial Brazilian blowout. Dr. Oz reveals the shocking truth behind these treatments. Plus, learn how you can stay safe without sacrificing the look.

How safe are your cosmetics? Click here to take the quiz.

Click here to watch Part 2.

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.