Colorado Cosmetology Written Practice Exam 2026 - Free Cosmetology Practice Questions and Study Guide

The temperature setting of a curling iron is primarily determined by the texture of the hair. Different hair textures, such as fine, medium, or coarse, require varying heat levels for effective styling. For instance, fine hair can be damaged more easily by high heat, so it needs a lower temperature setting to prevent breakage. Conversely, coarse hair can typically withstand higher temperatures, as it is generally more resilient.

Understanding the texture helps stylists choose the appropriate temperature to achieve curls or waves without causing unnecessary damage to the hair. Other factors like hair length and style also influence how curling is approached, but the primary consideration for the heat setting is always the hair’s texture to ensure the best results while maintaining hair health.