Normal use of facial cleanser will not harm the skin, but the frequency should not be too high. The function of facial cleanser is to clean and shrink pores, which can achieve deep cleaning. When using facial cleanser, you should use appropriate strength, too much strength will cause skin epidermis damage.

Extended data:

The intensity of facial cleanser should not be too great, and it is advisable to touch your cheek. You can't use it often, but you can use it 2-3 times a week according to your skin condition. Also, the longer it takes, the better. In general, each washing lasts 1-3 minutes.

Because the fine brush head is thick and thin, it needs to be thoroughly cleaned. After cleaning, you must drain the water and put it in a ventilated and dry place, so as to completely eliminate the breeding of bacteria, and the silicone brush head is relatively convenient. Fine brush heads, like toothbrushes, need to be replaced every three months.

The low-speed cleaner can be used every day, and the cleaner with 300 revolutions per minute is only used to remove daily dirt. As long as the cleansing products are properly selected and the washing time is not too long, it will not harm the epidermal cells of the skin, and the thinner it is washed. It is recommended to use 1~2 times a week for oily skin and 1~2 times a week for other skin types to remove aged keratin.

References:

Baidu encyclopedia-face cleaner