16 Hair Myths You Need to Stop Believing

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Cutting your hair frequently makes it grow faster

"Trimming your hair doesn't affect growth," says Joshua Zeichner, MD, director of cosmetic and clinical research in dermatology at Mount Sinai Hospital in New York City. "That happens at the scalp." But there's a reason experts suggest trimming your hair every six to eight weeks: "Frayed ends make hair look thinner and cause breakage, so when you cut them off, your hair appears fuller," says Melissa Piliang, MD, dermatologist and hair specialist at the Cleveland Clinic.

Next: If you pluck one gray hair, two will grow back in its place