Dr. Turner Featured in PureWow's "Rosemary Oil Has 1.3 Billion Views on #Hairtok. But Is It Really Effective? A Dermatologist Explains

By Marissa Wu

Another day, another TikTok trend. In the latest frenzy, the app is rife with people raving about the benefits of rosemary oil for hair growth. From working wonders after chemotherapy to addressing baldness and being the secret to envious locks, the botanical has racked up some good press—and the endorsement of some medical and hair professionals. But after diving into the oft-cited study used to back up the science behind this ingredient, and speaking with a dermatologist and trichologist, it turns out that rosemary oil might not be as effective as you think. From dandruff to hair loss, here’s what it really can—and can’t—do.

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