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Fine, Frizzy Hair
The Challenge: Your frizz-prone hair has a very delicate constitution. You have a lot of strands, but they're so thin that they can get stringy when you try to control them.

The Best Cut: Scrupulously neat ends will help your hair look silky. Don't ever let a stylist use a razor or glide scissors down the hair shaft—these techniques fray your ends and encourage frizz. Wear your hair any length, but avoid bangs because you'll always have to blow them out to keep them sleek.

The Best Shampoo and Conditioner: Products that contain light moisturizing ingredients like panthenol and glycerin will smooth your frizz without weighing hair down. Lather up as often as necessary to keep your scalp free of natural oils.

The Best Styling Regimen: Too much oil or silicone makes your hair lifeless, says hairstylist Allison Woodruff, of the Marie Robinson Salon in New York City. Instead, spray on a light leave-in conditioner to soften without flattening. Then combine a smoothing cream and shine serum (a pea-size dab of each), and work the mixture through from roots to ends before you air-dry or blow-dry.