Face washing common sense a. The number of times you wash your face is no more than 3 times a day. Summer skin is oily, and some girls think that washing their faces more often may also inhibit the formation of acne. Even if you have oily skin, you can’t wash your face more than 3 times a day. The natural protective film formed on the surface of the skin may be destroyed by excessive cleaning, stimulating the skin to secrete oil more vigorously, so that the face will be more and more oily, and easily lead to damage to the skin barrier function, sensitive and fragile. A lot of sensitive skin is caused by over-cleaning. Face wash common sense two, do not wash your face for too long. The face massage time is too long, but will just rub out the grease dirt and rub back into the skin, resulting in the more you wash the less clean. It is recommended to massage the face with a gentle circular motion for a minute or so to wash out the dirt, and use water to wash away the dirt and excess face wash ingredients. Wash your face common sense three, warm water to wash your face, control at about 35 ℃. Wash your face with lukewarm water, the best temperature to maintain at about 35 ℃, can gently take away the face sebum, dust and residues and other dirt. Some people will have the wrong idea that the temperature of hot water can soften the keratin, dissolve some of the oil and make the cleansing more thorough. Although too hot water can help soften the keratin, it also hurts the stratum corneum and the oil is over-cleaned, which can lead to faster skin aging. And too cold water will stimulate the skin, so that the pores tightly closed, can not wash dirt. The fourth common sense face wash, wash your hands before washing your face is vital. The first thing you need to do is to use hand sanitizer or soap before washing your face, and then rinse your hands clean with flowing water. This can only begin to wash your face after this, with the hands to play the foam is clean and clean, can play a good facial decontamination effect. Wash your face common sense five, try to use flowing water. Try to use plenty of flowing water. When rinsing face wash, in addition to the face wash must be pressed on the face with your hands, try not to use more hands and towels, but more hand spoon flowing water to the face.