What length of hair is the spiral technique most often used on?

The spiral technique is primarily utilized on medium to long hair because this length provides enough hair to create the necessary twists and turns that define the spiral style. When hair is longer, it can be divided into sections that are conducive to forming the spirals, allowing for greater volume and movement. This technique involves wrapping sections of hair around a curling tool or roller in a spiral motion, which is more effective and visually appealing with the additional length.

In contrast, short hair may not have enough length to execute a spiral curl, very short hair restricts the styling possibilities, and while long hair can be styled, the medium length strikes a balance that allows for the versatility and ease of creating spirals while still being manageable.