In order to keep human body function normally, our body temperature need to be kept around 36℃~37℃. When we do some sport, or the environmental temperature is near or higher than body temperature, our body temperature will increase, then our body will sweat to adjust the body temperature. The heat on skin will be taken away while the sweat evaporates. This is called thermal vaporization effect.

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Why do people in desert wear a lot?

In desert, the sunlight is very strong, and the air is very dry. People must wear a lot to avoid sunburn,  and dehydration of body. Because human body will sweat a lot under high temperature, if the outside environment is very dry, the body will lost a lot of fluid, which is very dangerous.
Comparably, the air in tropical rain forest area is very humid. People there do not wear much though it’s also very hot. Because the moisture in air stick on skin and substitute a part of sweat, the body will not have the danger of dehydration during the process of moisture vaporization. 

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Why does JUST COOL spray mist?

JUST COOL sprays mist to avoid dehydration of skin during the wind-cooling process. The mist-spraying substitutes body sweating, moisturizes skin, when air flow vaporizes the moisture,  the body cools down while the skin feeling moisturized. 

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