Health: How Bad Is That Beauty Habit, Really?

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By Petra Guglielmetti

Want a better blow-out?

Clean your hairbrush: “If hair is wrapped around the bristles, the brush can’t grab, bend, and curl the hair as effectively,” says San Diego–based hairstylist Jet Rhys.

 

Hair Horrors

THE HABIT

Skipping shampoo (um, a lot)

THE VERDICT

Hey, it’s OK!

No need to feel like a slacker—there are benefits to not sudsing up daily (less wear- and-tear and better shine, for starters). But if your hair looks flat or oily, refresh it with dry shampoo and a dryer blast. We like (7) Schwarzkopf Professional osis refresh Dust ($22; Ulta). Or, Rhys suggests, try an old- school alternative: baby powder.