Psoriasis can often show up on the skin during preteen and teen years. Most commonly, you may notice red plaques with white scales located on the elbows or knees. Thick scaly plaques can also occur on the scalp, hands, or anywhere else on the body. Psoriasis affecting the groin area or buttocks often looks different and is redder and less scaly. When psoriasis gets out of control it can really affect a person’s confidence and sense of emotional well-being. Usually, psoriasis will require an evaluation by a doctor who may recommend over-the-counter cortisone, which can be used as a first-line treatment. If the scalp is scaly, an over-the-counter anti-dandruff shampoo can be used, including Avalon Organics Anti-Dandruff Shampoo, Head and Shoulders, or Neutrogena T-Sal. Keep in mind that these dandruff shampoos should only be applied to the scalp as they can be drying. Be sure to read the directions, which will state the length of time to leave the shampoo on your scalp.