Apple cider vinegar, or cider vinegar, is a vinegar made from fermented apple juice, and used in salad dressings, marinades, vinaigrettes, food preservatives, and chutneys. Because of its high acidity, drinking a lot of can damage your teeth, hurt your throat, and upset your stomach. Apple cider vinegar has anti-inflammatory properties and it consists of acetic acid and alpha hydroxy acid. This means apple cider vinegar can exfoliate the skin, absorb excess oils and unplug blocked pores.