Tennessee Cosmetology Practice Exam 2026 – Your All-in-One Guide to Mastering the Exam!

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What does the pH scale measure in skin care products?

Acidity or alkalinity of products affecting skin health

The pH scale measures the acidity or alkalinity of products, which is crucial in skin care as it directly impacts skin health. Skin has a natural pH level that typically falls within a slightly acidic range, usually between 4.5 and 5.5. When skin care products are formulated, their pH level can influence how they interact with the skin. Products that are too alkaline can disrupt the skin’s natural barrier, leading to dryness, irritation, and other skin issues. Conversely, products that are formulated within the skin’s natural pH range are more likely to maintain skin health and enhance its appearance. Understanding the pH level of skin care products helps professionals select and recommend the right formulations for their clients, ensuring compatibility with their skin type and needs.

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Moisture content of skin

Texture and consistency of creams

Fragrance strength in products

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