As you get older, there will be pigmentation on the skin.

随着你年纪的增长，皮肤上会有色素积淀。

His skin pigmentation was caused by a genetic mutation.

他的皮肤颜色异常是由基因突变造成的。

This skin care product can reduce pigmentation.

这款护肤品可以减少色素沉积。

I have a skin disorder, it destroys the pigmentation in my skin.

我有一种皮肤病，它破坏了我皮肤的天然肤色。

This might sound unappealing, but nightingale droppings have long been used in Japan to clear sunspots, acne marks and pigmentation.

这听起来可能没什么吸引力，但夜莺粪便长期以来在日本被用来清除祛斑、痤疮和色素沉着。

Nose without pigmentation.

鼻无色素沉着。

Excessive skin pigmentation in young dogs.

在年轻的狗过多的皮肤色素沉着。

With free edges, preferably with black pigmentation.

具有自由边的最好，黑色色素沉着。