What is the purpose of blow-drying hair?

The purpose of blow-drying hair is to style and set hair while effectively removing moisture. When blow-drying, the heat and airflow help to evaporate any remaining water in the hair strands, allowing the hair to dry more quickly. This process not only reduces drying time but also enables the stylist or individual to manipulate and shape the hair into the desired look. By directing the airflow and using a brush during the blow-drying process, styles can be enhanced, volume can be added, and curl patterns can be set, making it an essential technique for achieving various hairstyles.

In the context of other options, eliminating tangles is not the primary function of blow-drying, and while it might happen as a result of the styling process, it is not the main goal. Promoting hair growth is unrelated to blow-drying; hair growth is determined by factors such as genetics and overall health rather than styling methods. Similarly, blow-drying does not permanently straighten hair, as this requires different techniques such as chemical treatments or thermal straightening processes. Thus, the main functionality of blow-drying revolves around styling and moisture removal.