Which hair tool is best for achieving a polished finish in styling?

A flat iron is the best tool for achieving a polished finish in styling because its design allows it to straighten hair while smoothing the cuticle. This process eliminates frizz and creates a sleek, shiny look. When the plates of a flat iron are heated, they grip the hair tightly but gently, helping to realign the hair strands for a smooth and refined appearance. This is particularly effective for creating styles that require a polished and professional finish.

While a curling iron is primarily used to create waves and curls, it does not offer the same level of smoothness as a flat iron. A hair dryer can help to dry hair and add volume when used with a round brush, but it is not specifically designed for achieving that ultra-slick, smooth finish. A round brush is useful for styling and creating movement, but on its own, it may not provide the same level of sleekness as a flat iron when it comes to straightening hair.