Knowing what kind of skin you have is the first step in determining that regimen and your moisturizing needs. How can you tell your skin type? Sensitive skin reddens easily and stings or burns when you apply most products. For the other types, the condition of your T Zone (across your forehead and a straight line down your chin) will help you identify which category you fit in. At the end of the day, examine the area. A matte surface means dry skin, a greasy or shiny zone translates to oily, and if your face is just slightly slick, you have normal or combination skin.