Eight months after Oregon's Occupational Safety and Health Division (known as Oregon OSHA) released an alarming report
about the levels of formaldehyde found in several salon hair-smoothing treatments, these frizz-fighting services are still widely available—and in demand. As the humidity starts to climb, here's what you should know before having any treatment that claims to leave your hair silky for months.
Printed from Oprah.com on Monday, March 10, 2014
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