Red

Redness is the appearance of redness of the skin in only two areas of the face. Red blood capillary is a facial phenomenon caused by the dilation of facial capillaries or the superficial position of some capillaries. This kind of skin is thin and sensitive, and the face becomes redder when it is too cold, hot, or emotional. It usually manifests as redness and fever, and usually turns purple when the weather becomes cold.

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