They’ve got all kinds of stellar styles, but the cool AF folding comb is a carry-on essential. Made from large-sheet cellulose acetate (not molded), it’s cut and hand-finished from a solid ...

A basic plastic comb costs as little as $1-$6. Cellulose acetate and wood combs start at $7 and can cost upward of $25. A. The biggest benefit of buying a metal comb is its durability and longevity.