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.
This information refers to the general prevalence and incidence of these diseases, not to how likely they are to be the actual cause of Scalp tenderness. Of the 15 causes of Scalp tenderness that we have listed, we have the following prevalence/incidence information: 1  1 causes are very common diseases. 2  0 causes are common diseases. 3  3 causes are uncommon diseases. 4  0 causes are rare diseases. 5  1 causes are very rare diseases. 6  12 causes have no prevalence information.