Medically reviewed by Katlein Franca, MD When psoriasis affects the scalp, it causes thick, silvery-white or gray scales that may be inflamed and itchy. You may also feel burning or other discomfort.

Psoriasis and dandruff can both trigger itching and flaky scalp skin. Psoriasis is a chronic autoimmune disorder that can cause thick patches of skin known as plaques on the scalp to become dry ...

“For dryness and flaking caused by seborrheic dermatitis, dandruff shampoos, which include ingredients such as ketoconazole, ...

Two posters presented at the 2025 American Academy of Dermatology Annual Meeting highlighted the importance of improving ...