Gregory Papadeas, board-certified dermatologist and past president of the Colorado Dermatology Association (USA) said Live Science reports that oiliness in the T-zone of the face (forehead, nose and chin) may increase due to environmental and lifestyle factors as well as hormonal changes.
The doctor said that in the structure of the skin of the forehead, nose and chin there are many sebaceous glands that secrete sebum (sebum). It is a natural moisturizer for the skin. The exact amount of sebum produced by these glands may vary depending on genetics, age, the type of skin care products used, and hormonal levels.
Papadeas explained that sebum production may increase in response to increased concentrations in the body of androgens, which are primarily responsible for the development of male characteristics. Androgens are also present in women; in much smaller amounts than in men.
It is stated that the skin on the forehead, nose and chin may have more sensitive androgen receptors than other parts of the face. This means the T-zone is able to produce more sebum. Some other hormones that affect oily skin are produced by the thyroid gland.
Environmental and lifestyle factors (exposure to air pollution, poor diet, and use of inappropriate skin care products) can also trigger excess oil production. Sometimes oil-based skin care products and chemical sunscreens can block the ducts of the sebaceous glands, which increases their activity and, accordingly, the oiliness of the skin.
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