Which component of a curl determines the amount of movement?

The arc of a curl plays a crucial role in determining the amount of movement in the hairstyle. The arc is the curved part of the hair that forms the actual shape of the curl. When styling hair, the size and shape of the arc can significantly influence how bouncy or loose the curl appears. A larger arc generally creates more movement and a voluminous look, while a smaller arc can lead to tighter curls with less movement.

In hair styling, controlling the arc allows a stylist to tailor the hair's movement according to the desired outcome, making it a fundamental element in creating various styles. Therefore, understanding the importance of the arc in creating curls is essential for achieving the desired results in hairstyling.