Esthetics Core Written Practice Test

The term "comedogenic" refers to substances that are likely to clog pores, which can lead to the formation of comedones—these are the primary formations of acne, including blackheads and whiteheads. When a product is labeled as comedogenic, it indicates that its ingredients may contribute to the blockage of hair follicles, trapping oil, dead skin cells, and bacteria underneath, thereby increasing the likelihood of breakouts.

Understanding this term is crucial for individuals concerned about acne and skin clarity because incorporating products that are non-comedogenic into their skincare routine can help maintain clear skin and prevent acne formation. This distinction helps consumers make more informed decisions regarding the products they choose, particularly those with oily or acne-prone skin types.

The other definitions associated with the other options do not relate to the concept of comedogenicity: healing skin, causing irritation, or providing moisture do not inherently involve the clogging of pores.