No, vinegar is acidic and cannot be used as a toner.
Vinegar has a certain degree of acidity, as a make-up water used all over the face, then it will change the pH balance of the face, causing damage to the face.
Vinegar can clean the face and can effectively eliminate acne, the steps are as follows:
Prepare: a basin of water, a spoonful of vinegar
Pour a spoonful of vinegar into the water
Stir and use it to wash your face
Be sure to use water to wash your face again after you finish washing