Try to wash your hair less often and choose a shampoo for sensitive scalps, which is usually creamier. Avoid formulas for dandruff-prone scalps, which is caused by an oily—not dry—scalp.

Banish hat head Even after being under a wool hat, you can have soft and silky hair. Fortify strands with a leave-in conditioner or day cream to prevent frizz. For hair that's already flattened, poof it up by misting a brush with a light-hold hairspray and combing it through your hair.

When you're home, slather on a deep conditioner at least once a week. Seal in moisture for the rest of the day with a leave-in conditioner.