Will you wash your hair with cold water

summary

Many people have the habit of washing cold water head, especially in summer. Because of the hot weather, washing cold water head will make people feel cool, and the frequency of washing cold water head is greatly increased. This is a very bad habit. There are many disadvantages in washing cold water head, which need our attention.

Will you wash your hair with cold water

First: the weather is hot in summer, especially after doing a lot of sports, the head will sweat more. Although washing the cold water head can play a certain cooling effect and make people feel cool, at this time, the cerebral blood vessels are in a state of expansion. Sudden cold water washing will affect the work of cerebral blood vessels, causing dizziness, headache, cold and other symptoms.

Second: when the weather is cooler, washing the cold water head leads to a cold. Especially during the season changing period, it is easy to catch a cold. If you wash the cold water head again, the blood vessels of the body will contract and the body temperature will drop, so you will catch a cold.

Third: affect the normal metabolism. Washing your hair with warm water at ordinary times can dilate blood vessels, open sweat pores, promote the discharge of metabolites, and contribute to the metabolism of the body. Washing your hair with cold water can make blood vessels constrict, and metabolic waste can't be eliminated in time, blocking sweat pores, leading to metabolic disorder.

matters needing attention

Washing cold water not only causes a lot of damage to the human body, but also can not effectively clean the hair. On the contrary, it will affect the normal metabolism. In the long run, it may even cause hair loss.