Key factors are tooth spacing, tooth size, and prong length—teeth sized and spaced to reach the roots increase lift, while extra-long prongs help shape and elongate curls and add volume.
Many items are labeled for all hair types. Some hair picks are specifically described for curly, coily, and textured hair to add volume and elongation.
Volume attachments fit onto a smoothing dryer brush or styler and funnel airflow; their teeth are shaped and spaced to reach the roots and produce lift at the root for fuller body.
Some styling combs are described for wet or dry use. Hair picks are described for use on dry hair—often recommended for fluffing roots after sleep or after a wash-and-go to add volume and shape.
Labelled age ranges include 18 years and up, 10 years and up, and 6 years and up for different styling combs and picks.