Apple cider vinegar is the most popular type of vinegar in the natural health community. Apple cider vinegar can help you lose weight, lower blood sugar levels, improve insulin sensitivity, help fight diabetes and reduced risk of heart disease. Apple cider vinegar is said to ease some types of heartburn, acid reflux, and digestive conditions like constipation. Vinegar is used as a food preservative and studies show that it inhibits bacteria from growing in food and spoiling it. Apple cider vinegar can be used in skin care as a toner, face wash, and even a spot treatment. Tightening the cells of the skin can also help to strengthen the skin and prevent wrinkles from forming. Attempting to reduce the number of bacteria on the skin is a huge step in treating and controlling acne. Exfoliation is an important skin care process that removes old, dead skin cells. The malic acid in apple cider vinegar may help it remove the outermost layer of skin.