New Mexico Cosmetology Practice Exam 2025 – All-in-One Guide to Mastering Your Certification!

Question: 1 / 400

What is the pH level range for healthy skin?

3.0 to 4.0

4.0 to 5.0

4.5 to 5.5

Healthy skin typically maintains a pH level that ranges from 4.5 to 5.5. This slightly acidic environment is important because it helps to protect the skin from harmful bacteria and pathogens. The acidity supports the skin’s barrier function, which is essential for keeping moisture in and irritants out. A pH within this range contributes to the overall health of the skin, as it allows for the proper functioning of enzymes and other skin processes.

When pH levels deviate from this range, the skin may become more susceptible to issues such as dryness, irritation, or infections. Therefore, understanding this pH range is crucial for skincare professionals, as it helps in selecting appropriate products and treatments for maintaining healthy skin, preventing imbalances, and achieving optimal skin health.

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5.0 to 6.0

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