Coffee spots are light brown spots at birth, ranging in color from light brown to dark brown, but the color of each piece is the same and very uniform. There are many kinds and colors of spots: brown spots, melanin spots and so on.
2, shape difference:
Coffee spots vary in size from a few millimeters to dozens of centimeters, with clear boundaries and completely normal skin texture. Pigment spots vary in size, round, oval or irregular.
3. Time difference:
Coffee spots may appear at birth or after birth, and the number increases throughout childhood. More common in the trunk, will not decline on its own. Pigment spots are generally caused by acquired reasons, such as physiological chloasma, pathological chloasma and sunburn.
Extended data:
Causes of pigmentation:
1, excessive pressure: this is an important reason for the formation of pigmentation. When people are stressed, the balance of metabolism will be destroyed, the supply of nutrients needed by the skin will tend to be slow, and pigment mother cells will become very active, thus forming pigmentation.
2, endocrine disorders: endocrine disorders are a common cause of skin pigmentation, women should pay attention to endocrine disorders, endocrine disorders will affect the metabolic function of the skin, easily lead to the accumulation of harmful substances, thus affecting the healthy endocrine disorders of the skin, women should pay attention to reasonable diet as soon as possible.
3. Slow metabolism: Slow metabolism is the main cause of skin spots. Slow metabolism will lead to abnormal melanin metabolism in women's skin, which will easily lead to melanin deposition on the skin, thus leading to spots on the skin. Exercise more at ordinary times and develop the habit of drinking water frequently, which can speed up human metabolism.
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