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You Don't Own a Hat
The sun breaks down the keratin fibers in the hair, making it look dull and brittle. And if you dye your hair, the UV rays will turn blonde highlights brassy and give an orange tinge to brunet shades. A wide-brimmed straw hat will protect your hair. And your skin. And look exceedingly chic.

Next: The best products for frizzy and frazzled hair