Why is temperature control important in a heat perm?

Temperature control is crucial in a heat perm because it directly affects the chemical process that shapes the hair. The heat activates the perm solution, allowing the hair to become more pliable and enabling it to take on the desired curl pattern. However, if the temperature is too high, it can lead to excessive damage such as over-processing, which may result in dryness, brittleness, and breakage of the hair strands. Thus, managing the temperature ensures that the hair can be successfully curled without compromising its integrity or health. This careful balance allows stylists to achieve effective, well-defined curls while minimizing the risk of damage to the hair.