Michigan Esthetician State Board Practice Exam

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Study for the Michigan Esthetician State Board Test. Utilize flashcards and multiple choice questions, each featuring hints and explanations. Prepare for success!

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What is the primary function of alpha hydroxy acids in skincare?

Moisturization
Exfoliation
Antibacterial action
Skin brightening

The correct answer is: Exfoliation

Alpha hydroxy acids (AHAs) primarily function as exfoliants. They work by loosening the bonds that hold dead skin cells on the surface of the skin, allowing these cells to slough off more easily. This process helps to reveal fresher, smoother skin underneath and can improve the overall texture and appearance of the skin. Exfoliation enhances cellular turnover, which is beneficial for addressing issues such as dullness, uneven skin texture, and signs of aging. While AHAs can also contribute indirectly to skin brightening and may assist in moisturizing due to their ability to enhance product penetration, their main role in skincare is definitely exfoliation. This makes them particularly effective in treatments aimed at refining the skin's surface and promoting a more youthful appearance.