What is the reason that armpit has stain

summary

Pigmentation is a very common skin disease in life. It is very easy to appear after people's skin has been exposed to the sun for a long time, and the causes of different parts will be different. Next, this paper analyzes the causes of armpit pigmentation.

What is the reason that armpit has stain

First, the color spot refers to the spot which is different from the surrounding color. Pigmentation is a common skin disease with brown or melanin pigmentation on the face, which is caused by the increase of melanin.

Second: brown spots on the skin under the armpit. Western medicine believes that it is a variation of photosensitive dermatitis or phototoxic dermatitis. Many cases have a history of contact with chemical products and inferior cosmetics, such as actor's oil collection or some components in household cosmetics. Even they can cause spots. After strong sunlight, they will get worse. In addition, there is malnutrition in the body The increase of serum copper in most patients may be a sign of increased activity of l-arginase.

Third, the cause of pigmentation, usually by the sun, ultraviolet radiation, cosmetics, drugs and other substances to stimulate the skin into black pigment deposition. Part of them fall off with the cuticle: part of them precipitate in the basal layer; part of them precipitate in the basal layer and are discharged out of the body through blood circulation. Once the above functions are out of balance, they form a stain.

matters needing attention

After understanding the causes of color spots under the armpit, we should also pay attention to avoid abusing freckle removing products when treating. It is forbidden to use "quick acting freckle removing cream" containing hormones, lead, mercury and other harmful substances, which will lead to serious disfigurement.