O Investigation: Hair-Straightening Treatments
By Jenny Bailly

Photo: Kevin Russ/iStockphoto.com

Do you wish you had smooth, silky hair? Without wrestling with a blow-dryer? In any weather? Here's what it takes:

From the October 2008 issue of O, The Oprah Magazine

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Sources: Mahogany Grace of John Barrett, Ellin LaVar of LaVar Hair Designs, Abbey Theis of Arrojo, James Vides of Sally Hershberger, Gary Wagner of David Evangelista.