There is a substance which is responsible for the pigmentation named melanin. If melanin is increased then this is the reason for having pigmented lips. Effective Natural Remedies For Pink Lips ...

Smoking is a well-known culprit when it comes to skin and lip issues. The harmful chemicals in tobacco reduce blood flow and ...

Hyperpigmentation is a very common and usually harmless skin condition where patches of skin turn darker than the original skin tone. This occurs when the cells responsible for producing melanin ...

also frequently cause facial hyperpigmentation, known specifically as melasma, manifesting symmetrically on the forehead, cheeks, upper lip, or nose. Post-inflammatory hyperpigmentation (PIH ...