If your dermatologist determines that the mole is a concern, he or she will perform a skin biopsy, in which a small sample of the mole is taken to examine under a microscope. Dr. Gerson has been voted a "Top Doctor" in Washingtonian Magazine numerous times and was chosen as the Best Dermatologist by Bethesda Magazine. Use this remedy 2-3 times a week until you see some improvement. Reapply 2-3 times daily. Applying apple cider vinegar over the skin tag, wart or a mole two to three times in a day will help to dissolve the warts. Regular warts are small, round bumps on the skin, whereas cancerous warts are often larger, feel bumpier, and take on an unusual shape. Having enough calories to run the infection-fighting mechanism is particularly important, which is why dieters should feel free to take a break from low-calorie regimens during the flu season, which lasts from October through January.