No matter how shiny and voluminous your hair looks, nothing is more unappealing (and embarrassing) than specks of dandruff. Dryness is an obvious culprit, but excessive oil secretion can also be to blame for itchiness and pesky flakes. Thus, you need a treatment shampoo that soothes, hydrates and purifies for a refreshed, healthy scalp. Ahead, shop eight options that’ll ensure you can run your fingers through your mane without any fallout.