Which haircut is most effective for adding volume to flat hair?

A layered cut is particularly effective for adding volume to flat hair because it involves cutting hair at varying lengths. This technique creates movement and texture, which helps to lift the hair at the roots and gives the appearance of more body. The shorter layers can help support the longer sections, resulting in a fuller look.

In contrast, a buzz cut removes most of the hair, leaving very little length to work with, which would not contribute to volume. A blunt cut typically results in all the hair being cut evenly at one length, which often lays flat against the scalp, minimizing volume. Though a chunky cut may create some dimensionality, it is not as reliable as layers in achieving overall volume, as it may result in heavy, thick sections that could weigh flat hair down instead of lifting it.