Arkansas Esthetician Practice Exam

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What does a pH level of 8-14 indicate?

Acidic pH
Alkaline pH
Neutral pH
Average pH of skin

The correct answer is: Alkaline pH

A pH level ranging from 8 to 14 indicates an alkaline or basic pH. The pH scale measures the acidity or alkalinity of a substance, where a pH of 7 is neutral, values below 7 are considered acidic, and values above 7 are classified as alkaline. Since the question specifies a range of 8 to 14, it clearly falls into the alkaline category. In the context of skincare and esthetics, understanding pH is crucial because many skincare products are formulated to be pH balanced, closely mirroring the skin's natural level, which is typically between 4.5 and 5.5. Therefore, products with a pH of 8 or higher may not be suitable for all skin types as they can disrupt the skin's natural barrier, leading to irritation or other skin issues.