There are many people with oily skin who do not know the real cause of oily skin. Learn about some of the symptoms , causes and care of oily skin . Symptoms of oily skin - a glowing and slippery appearance on the forehead , nose and chin. - The skin is thicker , thicker than normal or normal skin . - The pores of the face are large and can be seen with the naked eye. - Brown , blackheads , whiteheads and wrinkled faces. - After some time of washing the face, the face becomes oily. - After waking up, the face is extra oily. - There is white skin around the nose. - Hair is oily. Causes of oily skin: Oil glands mean sebum is produced when sebaceous glands are activated. Sebum is an oily substance that is produced in this gland. Its function is mainly to moisturize our skin and protect our skin from dry weather outside. But excess sebum makes the skin oily and creates brown or bron related problems. The reasons for making this extra sebum are: 1. Hereditary: People who have oily skin in their family usually also get oily skin. However, the good news is that with age the oil production of these oil glands decreases. 2. Hormonal or hormonal imbalance: During adolescence, a hormone called androgen is released which stimulates the sebaceous glands and produces extra sebum. Sebum is also more commonly used for pregnancy , menopause and birth control pills. 3. Cosmetic: The use of oily cosmetics can also cause oily skin.