Causes of Oily Skin - Get Treatment With Dermatologist…… Hello there! Most of us have oily skin, and how we try cannot change the skin tone. But we can consult our dermatologist to make our skin normal. Under each of your pores is a sebaceous gland that produces natural oils called sebum. This helps keep your skin hydrated and healthy. The sebaceous glands can produce too much oil. This creates oily skin. For better results for skin problems, we can visit the Best Dermatologist In Madurai. Having oily skin and your skin constantly looks shiny, and you go through several blotting sheets a day.