Many people have heard of psoriasis but don’t know much more about it than it’s a skin condition. Psoriasis is an autoimmune skin disease which means the immune system sends a continuous signal to speed up the skin cell growth cycle resulting in a faster turnover of skin cells every few days when it would normally take about one month. This leaves a pile-up of dead skin cells on the surface of the epidermis and throughout the dermis. Psoriasis usually appears as red or pink plaques of raised, thick, scaly skin. However, it can also appear as small flat bumps or large thick plaques.