"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Even the best hair days can be completely ruined by an itchy, flaky scalp. If you find that your regular ...

Without fail, whenever the weather changes the slightest degree, my scalp starts to itch. But it's not just weather fluctuations that cause dandruff and scratchiness. Your scalp can go haywire due to ...