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Why does my skin become dry when exposed to air-conditioning?

An environment with 65% humidity is the most ideal for our skin. In less humid environments, moisture found in the stratum corneum (skin’s outer layer) decreases and skin becomes dry.

Air-conditioning has a dehumidifying function that lowers the humidity level of the room. Even if we set a comfortable temperature or humidity level, the cool air from the air-conditioner blowing directly on skin not only takes away heat from the skin, but also moisture. To prevent skin from becoming dry when in an air-conditioned room, moderate the wind speed and do not let the air current blow directly onto your skin.