While cucumbers are great for reducing undereye puffiness, use potato slices to lighten dark under eye circles. According to dermatologists, potatoes contain the enzyme called catecholase, which is highly effective at lightening skin tones. Simply cut a potato into slices, chill in a bowl of water in the fridge, then apply to the undereye area for 10 minutes per day. You should see almost instant results!
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