CHARLOTTE, N.C. — Do you ever feel like no matter how much hairspray you use or how long you spend styling, your hair just won’t cooperate? In the Carolinas, humidity is often to blame. Hair frizzes, grows twice its normal size, and suddenly seems to have a personality of its own.

So, what’s going on? Let’s break down the science behind the frizz.

Humidity is essentially moisture in the air. In humid climates like the Carolinas, the air is full of water vapor, which is what makes it feel sticky during the summer months. This same moisture also determines how well your hair will behave.

When checking the forecast, pay attention to the dew point. The dew point measures the actual amount of moisture in the air. The higher it is, the more water vapor is present — and the more likely your ha

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