Dutch scientists have come up with a DNA test that can determine a person's naturalhaircolor, using no more than a drop of blood or saliva.
荷兰科学家发明了一项DNA测试，只需利用一滴血液或者唾液，就可以测定一个人天然的头发颜色。
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It may be a long time before you see your naturalhaircolor again, or even remember it. It is rare that anyone over the age of 16 actually has a natural level lighter than a 7.
She has an incredibly rich and vibrant naturalhaircolor but the creamy, almost oily nature of caviar really brings this out, making the color even richer and making it so much more glossy.