Slay the North Dakota Cosmetology Exam 2025 – Get Stylish, Get Certified!

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What is the range of the pH scale?

0-10

0-14

The pH scale is a measure of how acidic or basic a substance is, with a typical range from 0 to 14. A pH of 7 is considered neutral, meaning that the substance is neither acidic nor basic. Values below 7 indicate increasing acidity, with 0 representing the most acidic condition, while values above 7 signify increasing alkalinity, reaching up to 14, which represents the most basic condition.

Understanding the full range of the pH scale is crucial in cosmetology, especially when dealing with products like shampoos, conditioners, and other skincare items, as it helps professionals select the right products for their clients' needs based on their skin or hair type. Being aware of the pH of various substances can influence their effectiveness and compatibility with customers’ skin and hair. This knowledge is essential in ensuring the safety and efficacy of the treatments performed.

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1-7

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