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How cooling effect is produced after putting a layer of perfume on your skin?
Wiki User
∙ 14y ago
The same reason you sweat: evaporative cooling. Many perfumes contain ethyl alcohol which evaporates more quickly than water does. This is why the cooling effects are felt rapidly after the perfume is applied. The process of evaporation has a specific heat of evaporation (ie the amount of heat it takes to go from a liquid phase to a gas phase). This process requires energy from a system to occur. The system in this case would be the surface of your skin. Since the cologned is going from a liquid to a gas, the process is going from an ordered state to a disordered state and is therefore governed by entropy. Heat energy from the skin is transferred to the ethyl alcohol in the cologne causing the cologne to evaporate (cooling the skin in the process).
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoWhen a liquid evaporates the heat of vaporization is removed from the environment (evaporative cooling).
Secondly molecules similar to menthols trigger nerves in your skin to fire, simulating a cool feeling, just like mint chewing gum. It is not cold but your brain thinks it is.
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Ethanol is much better as a solvent than water. It doesnt promote microbacterial/microbial growth. It has a low boiling point, when mixed in a the perfume. It helps the fragance of the perfume to spread or evaporate in the surroundings, thus it helps in maximizing the effect of the perfume.
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Yes, it is true.
