Picture of Psoriasis Vulgaris Plaque

Psoriasis vulgaris is the most common form of psoriasis. It commonly appears as red, silvery-scaled plaques, as shown here on this male's hands. A chronic disease, it goes through cycles of flares and remissions.
Image Source: 2Ban / Getty Images
Text Source: American Academy of Dermatology / The National Psoriasis Foundation
Text Source: American Academy of Dermatology / The National Psoriasis Foundation