Baking Soda and Apple Cider Vinegar for Acne Treatment: Take 2 tablespoons of raw or organic apple cider vinegar and add 2 – 3 tablespoons of baking soda. Mix both the ingredients in a small bowl and apply it on the face as face cover with your fingers. Leave it for around 10 – 20 min. until it dries out and the skin becomes hard. Rinse your face with cold water. Apply moisturizer, repeat for a week to cure acne.