Wash your face with cold water in the morning, okay? Very cold

First, you can wash your face with cold water in the morning, which has many benefits. In fact, adopting the method of "refrigeration with cold" is not only harmless to the body, but also has many benefits. When the skin comes into contact with cold water, the brain will get excited immediately, directing all systems of the whole body to strengthen their activities to adapt to the cold environment; In the long run, the cold resistance of human body will be improved.

Second, washing your face with cold water can also stimulate the vasoconstriction of facial skin and nasal cavity, which not only increases skin elasticity, but also prevents colds. Washing your face and hands with cold water in winter can exercise your child's sensitive response to cold stimuli, improve your body's adaptability to cold air, and play a role in preventing colds.

Third, but this exercise should be done step by step. From summer, wash your face and hands with water below body temperature until winter. At the beginning, it can be washed with water at 36℃, and after a few days, it will drop to 1℃, and the lowest temperature can drop to 20℃~ 18℃. Young people, the temperature is higher, and the rate of decline is slower, so that the child's body can adapt slowly. This kind of exercise will not damage the child's skin. After washing, dry it with a dry towel and apply some oil to protect your skin. This kind of exercise can only be effective if you insist on it every day, not intermittently.

Note: Babies should not wash their faces and hands with cold water.