Cortisol is a type of hormone called a corticosteroid hormone produced by the body. You may have heard called hormone cortisol "stress" because it is true that people produce more significant stress, especially during the "fight or flight" response. adrenal gland, which is to produce cortisol, I've created at different levels throughout the day. They usually have the most accessible of cortisol in the morning and decreases as the day progresses.There are some things that "stress hormone" is not, which are very positive. Helps reduce inflammation and copies of this chemical hormone called cortisol. Hydrocortisone can be used locally to treat an inflammatory skin condition, or it can be used to reduce the injection into the inflamed tissue. It 's a very useful treatment for many conditions.