Have you ever shampooed and conditioned your hair only for your scalp to turn itchy and flaky one to two days later? Having dandruff is a very specific nuisance you only understand if you suffer from ...

Psoriasis causes thick patches of skin called plaques that are dry and flaky. Dandruff usually comes and goes and can be caused by oily hair or irritants. Psoriasis is a chronic autoimmune disease and ...