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 ...

Psoriasis on lighter skin often appears on the arms, chest, legs, and shoulders, Hartman says. People with darker skin are more likely to find psoriasis lesions on the scalp, elbows, knees ...

For me, that was a feeling ... that I’d likely developed psoriasis due to stress – something that can take around three months to show in the hair and scalp. When I worked it out, the timings ...