Psoriasis is a common condition that affects the skin. There are several types of psoriasis, but most commonly, it appears as red and scaly raised areas on the elbows and knees. Based on the type of psoriasis, many treatments are available. Topical treatments, phototherapy and internal medications are commonly used to treat this condition. Click here for more information about psoriasis. Phototherapy (Light Treatments) Photo Genesis is an innovative way to quickly, safely and comfortably improve your skin’s texture, tone and color on your face, chest, arms and hands, without gel or topical anesthetics. This treatment is excellent for helping to reverse the signs of sun damage, such as age spots, redness and mottled complexion.  > More info