Dandruff doesn't directly cause hair loss. However, it can sometimes contribute to it. Flaking often leads to an itchy scalp, and frequent scratching may damage hair follicles (the base of the hair ...

Medically reviewed by Susan Bard, MD Key Takeaways Psoriasis causes thick patches of skin called plaques that are dry and ...

Scalp Psoriasis vs. Dandruff: What’s the Difference? This article was reviewed by Knox Beasley, MD. If you’re experiencing a flaking, itching scalp, you may do a quick self-diagnosis of dandruff. But ...