Our lips may darken due to different reasons like
> Excessive Exposure to the Sun, Lack of Hydration
> Cigarette Smoking , Allergic Reactions to Toothpaste, Lipstick, etc.
> Too much Caffeine, Lip Sucking
> Darkening of the lips can be the result of Hyper Pigmentation. This is a typically harmless condition caused by an excess of Melanin.
EcoBerry Citrus Burst Lip Lightening Oil, on regular usage provides