Salt and milk have minimal effect on blackhead treatment, but can lead to pore clogging, epidermal damage and other symptoms. Salt and milk to clean the face, because of its friction effect, can have a certain friction effect on the blackheads at the openings, can make the openings blocked partially eliminated, but its friction effect can not clean the depths of the blackheads. At the same time can damage normal facial skin, at the same time, if the face has allergic diseases, thin and tender parts of the skin, external salt can further damage the skin. At the same time, if the external use of milk to clean the face, such as cleaning improperly, can make the milk within the lipid composition of the face, resulting in an increase in facial oil, further blocking the pores. In summary, if you have blackheads on your face, go to the hospital and avoid the use of salt and milk treatment.