Dry winter air is a flake factory. The cold saps moisture from your scalp faster than a vampire at a blood bank. Your head becomes a desert.
Summer heat makes you sweat more. That sweat feeds the Malassezia fungus, and it throws a flake party. You’re the unwilling host.
How To Avoid Dry or Flaky Scalp? - HealU
That Weird Itch You Can’t Reach
Ever scratch your scalp and feel a sudden, glorious relief? That’s your brain rewarding you for disturbing the flake layer. It’s addictive, but stop.
Scratching damages your skin barrier. More damage = more flakes. It’s a vicious, scratchy cycle.