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Important indicators for the purchase of hair dryers: air volume and wind speed

Air volume and wind speed are two important indicators to measure the effect of the hair dryer.

Air volume refers to the volume of air that passes through the hair dryer outlet per unit of time, measured in cubic meters per hour or cubic meters per minute. Wind speed refers to the speed at which air is moving, measured in meters per second or kilometers per hour. Generally speaking, the higher the air volume and wind speed, the faster the drying speed.

However, not everyone is suitable for using a hair dryer with a large air volume and high wind speed. For people with sensitive scalps and fragile hair, using a hair dryer with high air volume and speed may cause scalp irritation, hair knots, frizz and other problems. Therefore, such people should choose a hair dryer with a small air volume and low wind speed, and keep a certain distance to ease the air outlet.