. Dark skin on the upper lip is caused by excess melanin in the skin. You can reduce the appearance of this dark pigmentation by using an over-the-counter or prescription skin lightening cream. ... Hydroquinone is a very effective bleaching product for dark skin. 2 Use an exfoliation treatment. Exfoliation can help to slough off the upper layers of dark, pigmented skin and reveal the newer, lighter skin underneath. Use a facial scrub three or four times per week to exfoliate the skin above your lip. You can use a store-bought product, or make your own scrub using sugar or salt.

Consult a good dermatologist for your problem.

Lip colour is genetic and difficult to change. Please consult a good skin specialist or cosmetic surgeon near you to see the options available to you.