Lips, are an integral part of human body. Beautiful lips make your smile even more pretty. But, when the lips become pigmented and dark, it just takes away from the beauty of that smile. Excess tea or coffee intake, exposure to the sun, and neglect in taking care of the lips lead to pigmentation. Apart from using expensive lip scrubs and peels, you can make some easy lip packs yourself to remove the dark and ugly pigmentation. Here are few tips to lighten your dark lips.