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何种肤色为美,看法各有不同。有的人认为白里透红为美,有的则认为苍白为美,还有的则认为皮肤黝黑为美。皮肤的颜色由其中积存的黑色素的多少而异。如果皮脂腺分泌过多的脂肪,皮肤往往为浅灰色,非常光亮,有粘性,还可能出现痤疮或炎症。如果皮脂腺分泌的脂肪太少,皮肤则呈现干性,易受刺激,皮肤紧缩、脱皮,还会出现很浅,但会引起痛疼的裂口。在人体健康的情况下,皮脂腺每天可分泌15～40克皮脂。
What color is beautiful, different views. Some people think that the white is red for the United States, while others think the pale for the United States, while others think the dark skin is beautiful. The color of the skin varies according to the amount of melanin that accumulates there. If the sebaceous glands secrete too much fat, the skin tends to be light gray, very bright and sticky, and may show acne or inflammation. If the sebaceous glands secrete too little fat, the skin is rendered dry, irritable, skin tight, peeling, but also very shallow, but can cause painful sore. In the case of human health, sebaceous glands secrete 15 to 40 grams per day sebum.