How to Cure Acne with Apple Cider Vinegar: Apple cider vinegar can be used in many different ways. Try the popular methods listed below until you find the one that works best for you. 1. Drinking ACV Ingesting apple cider vinegar into the body can help to remove the toxins and other impurities in the bloodstream. After drinking rinse your mouth with water to prevent the degradation of tooth enamel.