For Dry, Flaky Scalp: First Aid Beauty Anti-Dandruff Shampoo with 1% Pyrithione Zinc If your scalp gets drier and flaky during the colder months, the First Aid Beauty Anti-Dandruff Shampoo with 1% Pyrithione Zinc ($30) is here to help! It's a nourishing, colour-safe formula that will diminish the flakes and scalp irritation without drying out your roots. Image Source: ulta.com First Aid Beauty Anti-Dandruff Shampoo with 1% Pyrithione Zinc $30 from ulta.com Buy Now