What should be used to determine the correct height for a client's hairline?

The appropriate method for determining the correct height for a client's hairline involves assessing the forehead width. This measurement provides a fundamental aspect of a client's proportions and can significantly influence the overall balance and appearance of a hairstyle. A wider forehead may allow for a higher hairline, while a narrower forehead might suggest a lower hairline, ensuring that the hairstyle complements the client's facial features.

In addition to forehead width, it's crucial to consider other factors that can impact the final decision, such as the client's preferred style, the length of their hair, and their face shape. While each of these elements can play a role in the styling process, the forehead width serves as a foundational guideline for establishing hairline height. This foundational approach allows for a more tailored and professionally balanced hairstyle that enhances the client's overall aesthetic.