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    Glossary pH

    measures acidity or alkalinity of a substance on a scale

    pH is a measure of how acidic or basic a substance is, on a scale from 0 to 14. A pH of 7 is considered neutral, while values below 7 indicate acidity and values above 7 indicate alkalinity. In the context of hair and scalp health, maintaining a balanced pH (around 4.5 to 5.5) is crucial for preventing issues like dryness, irritation, and microbial growth.

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