Because the size and color of spots are like those on sparrow feathers, they are called freckles. Freckles are mostly related to congenital factors and are an autosomal dominant inheritance.
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Features:
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Light brown or dark brown needles to mung bean macula, scattered or aggregated, generally regular and asymptomatic.
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Common in the face, especially under the nose and orbit, severe cases can be seen in the exposed parts such as neck, shoulders and upper back.
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It often appears at the age of five. With the increase of age, freckles are most obvious at the age of 25-30, but they are not obvious after old age. Its development is related to sun exposure. In summer, the color deepens, the number increases, and it decreases or disappears in winter.
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Relationship between acidity and alkalinity of body fluids and freckles;
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Fatigue: Blood is generally alkaline in the morning, and freckles on the face are not obvious. At night, because of a hard day's work, body fluids are acidic, and freckles on the face are more obvious.
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Disease: people are in a state of chronic fatigue, body fluids tend to be acidic, and freckles become darker.
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Before and after delivery: female hormones are secreted in large quantities, phosphoric acid in blood increases, body fluids tend to be acidic, and freckles will become more obvious.
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Heavy makeup: affects the gas exchange of skin and deepens freckles.
It is impossible to get rid of it, only to reduce it.