1, the advantages: toothpaste has a certain cleaning effect, after washing the feeling will be very refreshing, which also contains some anti-inflammatory substances, but also contains some vitamin C, will play a little whitening effect, to acne is also good. But if allergic skin is best not to use.

2, disadvantages: the irritation of toothpaste is very strong, it is too alkaline, will make the skin dry, if the skin is more sensitive, it will also cause skin allergies, skin irritation is very big, will cause allergies, toothpaste contains fluorine and friction in relation to the use of the face will corrode the skin to make the keratin thin.

1, paste washing face will lead to acne growth. This is due to the toothpaste contained in the chloride stimulation of the skin results, to be clear, chloride itself does not directly cause acne, but will stimulate the skin, when the skin is stimulated by the thickening of the skin;

2, if the thickening of the dead skin can not be removed, will block the pores, acne will come out. If your pimples often appear on your chin, you can pay attention to them.

Reference Baidu Encyclopedia Toothpaste Wonderful