Vinegar and salt are both condiments used in daily life and are not usually used on the face, and washing with them has no obvious effect or function. Vinegar, whose main ingredient is acetic acid, and salt, whose main ingredient is sodium chloride, are used as seasonings in daily life and usually have no facial skin care benefits and effects. At the same time, acetic acid has a certain degree of corrosiveness, may damage the facial skin barrier, resulting in skin redness or even allergic dermatitis. High concentration of salt water used for the face, may lead to dry skin. Therefore, the average person using vinegar and salt to wash the face, not only no benefit, but also may damage the skin. It is recommended to follow the doctor’s advice to use regular skin care products for facial care, not to listen to the prescription.