Despite its homely appearance, potatoes are actually power players when it comes to your beauty. Packed with an abundance of nutrients and rich in vitamin B and C, they help brighten and tone, and are also known to ward off wrinkles. Apply potato to your under eye area for a safe and natural way to brighten up dark circles. Simply peel and slice a potato in wedges. Place them in a cool washcloth, then let them sit over the eyes for 20 minutes. Rinse.