Delaware Cosmetology and Barbering Practice Exam

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How does hard water affect hair?

  1. It makes hair more manageable

  2. It can leave mineral deposits, making hair feel dull

  3. It enhances hair color

  4. It improves hair strength

The correct answer is: It can leave mineral deposits, making hair feel dull

Hard water contains a high concentration of minerals, especially calcium and magnesium. When hair is washed with hard water, these minerals can deposit on the hair strands. Over time, this buildup can lead to a variety of issues, including dullness and a lack of shine. The deposits can also weigh hair down and make it feel rough or dry, reducing its overall manageability and health. In contrast, other options suggest effects—like making hair more manageable, enhancing hair color, or improving hair strength—that are not typically associated with hard water. Instead, the presence of mineral deposits from hard water is the primary concern, as they impact the hair's appearance and feel negatively.