Delaware Cosmetology and Barbering Exam 2025 – Complete Practice Resource

A curling iron is specifically designed for creating soft curls on natural hair, making it the essential tool for this purpose. Its cylindrical barrel allows hair to be wrapped around it, generating the heat needed to form curls or waves in the hair's structure. By adjusting the temperature and the technique used, styles can be customized to achieve different types of curls, from tight spirals to loose, flowing waves.

While a flat iron can also create curls, it is primarily intended for straightening hair and requires a different technique to achieve curls, which may not produce as soft or lasting a result. A blow dryer is crucial for drying hair and can aid in styling, but it does not inherently create curls without the use of other tools. A round brush is primarily used during blow-drying to add volume or smoothness, but it does not curl the hair by itself. Thus, the curling iron stands out as the best tool for efficiently creating soft curls on natural hair.