Medically reviewed by Katlein Franca, MD When psoriasis affects the scalp, it causes thick, silvery-white or gray scales that ...

To treat dandruff, you need to target an overgrowth of yeast and any accompanying inflammation. We talked to a dermatologist to figure out how to do this.

Scalp psoriasis is an autoimmune skin condition, while dandruff is often the result of oily or greasy hair. Here are the key ...