Steroids (short for corticosteroids) are synthetic drugs that closely resemble cortisol, a hormone that your body produces naturally. Steroids work by decreasing inflammation and reducing the activity of the immune system.teroids (short for corticosteroids) are synthetic drugs that closely resemble cortisol, a hormone that your body produces naturally. Steroids work by decreasing inflammation and reducing the activity of the immune system.
A wide variety of chemicals have the potential to irritate the scalp and cause pain and sensitivity. Although virtually any chemical can potentially cause scalp sensitivity, harsh chemicals such as hair dye, permanent wave solution and hair straighteners are more likely to cause pain and sensitivity than shampoos, conditioners and other everyday hair products.
Overview. 1  You may occasionally experience discomfort in your hair or scalp, which might be accompanied by a burning sensation or a sensation that your skin is tight or dry. 2  Wearing your hair in a tight ponytail, bun, cornrows, or tight braids may cause your scalp to feel tender. You may notice the discomfort when taking your hairstyle out in the evening, after wearing it up all day. Minimize your discomfort by altering your hair styles, to avoid pulling on the same spots on your scalp.