Utah Esthetics Written State Practice Exam

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Prepare for the Utah Esthetics Written State Exam. Discover essential study materials, detailed explanations, and practice questions. Master the exam with ease!

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What effect does lactic acid have on the skin?

Increases oil production
Acts as an exfoliant
Creates a barrier to moisture
Darkens skin pigmentation

The correct answer is: Acts as an exfoliant

Lactic acid is primarily known for its role as an exfoliant, which is why it is associated with improving skin texture and tone. It is an alpha-hydroxy acid (AHA) derived from milk, and it works by loosening the bonds between dead skin cells, allowing them to be shed more easily. This process not only helps to remove the outer layer of dead skin, making way for newer, healthier skin cells but also promotes cell regeneration. As a result, it can lead to a brighter, more refreshed complexion and improve the overall appearance of the skin. In addition to its exfoliating properties, lactic acid can also enhance skin hydration by increasing natural moisture levels. It is often used in various skincare products for its dual benefits of exfoliation and moisturizing, contributing to smoother and more hydrated skin without the harshness that can sometimes accompany other exfoliants.