Blow-drying is a method of drying hair using a handheld device called a hair dryer. This device blows warm or hot air onto wet hair, helping to evaporate moisture quickly. Blow-drying can also be used to style hair, creating volume or smoothing out frizz. The process typically involves sectioning the hair and using a round or flat brush to guide the hair as it dries. Many people use heat protectant sprays to minimize damage from the heat. Blow-drying is popular in salons and at home, as it can save time and enhance the overall appearance of hair.