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What is a characteristic of dry skin?

  1. Lacks sebum production

  2. Good balance of all skin functions

  3. Oily T-zone

  4. Excess sebum production

The correct answer is: Lacks sebum production

Dry skin is characterized by a lack of sebum production, which is the natural oil produced by the skin. When there is insufficient sebum production, the skin is unable to retain moisture effectively, leading to dryness, flakiness, and sometimes itching or irritation. This lack of oil can result in a compromised skin barrier, making it important to use proper skincare products to help nourish and hydrate the skin. The other options are not characteristics of dry skin - having a good balance of all skin functions generally refers to normal skin, an oily T-zone is more common in individuals with combination or oily skin, and excess sebum production is a characteristic of oily skin.