Milady Cosmetology Practice Exam

What determines the size of the pores in the skin?

1. Age

2. Number of wrinkles

3. Amount of sebum produced

4. Skin moisture level

The correct answer is: Amount of sebum produced

The size of the pores in the skin is primarily determined by the amount of sebum produced. Sebum is an oily substance produced by sebaceous glands that helps to keep the skin moisturized and protected. When sebaceous glands are more active and produce a greater amount of sebum, it can lead to increased visibility of pores, as their openings may become enlarged to allow for the passage of the oil to the skin's surface. Factors such as age, number of wrinkles, and skin moisture level can influence the overall appearance and health of the skin, but they do not directly determine pore size. For instance, as people age, the skin may lose elasticity and hydration, which can change the appearance of pores—potentially making them look larger—but this is more a result of skin texture and condition rather than an increase in pore size itself. Similarly, while skin moisture levels are important for overall skin health, they do not directly influence pore size; instead, they affect skin elasticity and smoothness.