India, Oct. 25 -- Hair responds to the monsoon almost immediately, as soon as the air around it grows heavy with moisture. A style that sits beautifully in the morning often softens by afternoon, gently losing its shape strand by strand. It is a natural response to the moisture in the air, and understanding this tendency makes it easier to care for hair with greater patience and tenderness.

Frizz touches nearly every kind of hair during the humid months; it makes little difference whether it's fine or thick, straight or curled. Every strand takes in moisture from the air around it, and monsoon air carries more than the rest of the year. "Whether that moisture settles in evenly depends on the cuticle, the fine outer layer resting over eac...