Discoloration of the lips is a condition when the color of the lips changes from the usual red or pink to dark shades. It can affect both men and women and is not bounded by age either. Some of the causes of discoloration of lips include smoking, chewing of tobacco, chemotherapy, excessive fluoride use or use of low grade cosmetics. At times, discoloration of the lips can also be a heredity problem. If it is so, the ailment cannot be cured completely. However, retreating to some natural remedies, it can be lightened or treated partially. In the following lines, we provide some home remedies for discoloration of the lips.