In order to achieve a one-length haircut with no elevation, how should the head be positioned?

To achieve a one-length haircut with no elevation, maintaining the head level with the shoulders is crucial. When the head is positioned in this way, it allows for a straight and even cutting line throughout the hair. This position prevents any angle or elevation that could result in layers or uneven lengths, which is not desired in a one-length cut.

Tilting the head forward would cause the hair to fall differently across the cutting line, potentially creating an unintended layering effect or unevenness, which contradicts the goal of a one-length style. Each of the other positions – tilted to the side or backward – could also lead to variations in the hair length, as they would alter the natural fall of the hair and introduce elevation or angle to the cut. Thus, keeping the head level with the shoulders is the technique that best supports a uniform one-length haircut.