Oregon Esthetician State Board 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

In adults, what is the average rate of cell turnover?

14 to 21 days

21 to 28 days

28 to 42 days

The average rate of cell turnover in adults is between 28 to 42 days, which reflects the time it takes for skin cells to regenerate. This process is essential for maintaining healthy skin, as it allows for the old, dead skin cells to be shed and replaced by new ones. This cycle slows down with age, leading to thicker skin and an increase in the appearance of fine lines and wrinkles, as well as a dull complexion. Understanding the average cell turnover rate is crucial for estheticians because it influences treatment plans that involve exfoliation, hydration, and overall skin health.

The other options represent timeframes that are either shorter or longer than the established average for adults, which would not accurately reflect the natural cell renewal process in a typical adult's skin.

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42 to 56 days

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