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What causes dark spots on the corner of your lips?

Dark spots on the corner of the lips can be caused by a variety of factors, including:

* Melanin production: Melanin is the pigment that gives skin its color. When melanin production is increased in certain areas, it can cause dark spots to appear. This can be caused by genetics, sun exposure, hormonal changes, or certain medications.

* Hyperpigmentation: Hyperpigmentation occurs when there is an overproduction of melanin in certain areas of the skin. This can be caused by a variety of factors, including sun exposure, skin injuries, and certain medical conditions.

* Age spots: Age spots are dark spots that appear on the skin as a result of aging. They are caused by sun exposure and the breakdown of collagen and elastin, the two proteins that give skin its strength and elasticity.

* Sebaceous hyperplasia: Sebaceous hyperplasia is a condition that causes the sebaceous glands to become enlarged and overactive. This can lead to the formation of small, yellow or brown bumps on the skin, which can sometimes be mistaken for dark spots.

* Skin cancer: In rare cases, dark spots on the corner of the lips can be a sign of skin cancer. This is especially true if the spots are growing or changing in appearance. If you notice any new or changing dark spots on your skin, it is important to see a doctor to rule out skin cancer.

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