subject: How To Wash Your Hair Is The Best? [print this page] Like all nervous, daytime work, activities, entertainment, etc., are all busy, rare evening can comfortably shampoo.
In the evening a shampoo, if there is enough time to let your hair dry before sleeping, then of course the best. But sometimes too busy, past 10 pm only shampoo, washing head and tired eyes heavy to keep my eyes open, so that the hair does not do your sleep.chi flat iron
In doing so, the older generation would say will headache, in fact, scientific studies, people found it not unreasonable.
We must know that the human body in the metabolic process, routinely produce heat in order to maintain body temperature, the heat at the same time after blood circulation to the body's surface, by radiation, conduction, convection and evaporation, continuously diffused to the outside world.
Physical resistance and strong man, thermoregulation function properly, through regulation, Thermogenesis and dissipation two procedures are balanced, that is, when the temperature tends to decline, the thermal heat production increase, decrease, so that the temperature remains at approximately 37 degrees centigrade.
But on the body's resistance to weak, automatically making the body's ability to maintain normal body temperature, when the whole body or a local cold chill on.
And we used hot water washing head, warm the scalp Telangiectasia, organism to increase calories, while at the same time as the shampoo hair is wet, there are large amounts of water to evaporate out, but also to take away a lot of calories. Generally one gram of water evaporated when wants to take away 500 calories.chi hair straightener
Due to the heat, the body from cold, so reflexively makes partial contraction, upper respiratory tract capillary blood flow is reduced, lower respiratory tract resistance, makes local pre-existing viruses or bacteria, creating growth and reproduction, upper respiratory infection, flu-like symptoms, such as tears, stuffy nose, headache and fever, etc.
But if the hair is wet, sleep, thermoregulation hub of dysfunction, more prone to colds.
Therefore, in General, it is better not to go, if you want to wash your hair wash, dry towel to dry, then air duct to dry hair before sleep, so that it does not have a cold.
