关注这个领域的朋友们问了很多关于这的问题，其中一个很流行的问题就是它的氯氧化铋成分。

Because of this increased awareness people are asking more questions. And one of the most popular questions is about the ingredient bismuth oxychloride.

它们之所以能起作用是因为一般的材料，比如碲化铋，如果其中一部分比另一部分热，内部就会产生电位差。

They work because certain materials, such as bismuth telluride, generate an electrical potential difference within themselves if one part is hotter than another.

因此，如果你现在使用的矿物质化妆品里含有氯氧化铋而使你皮肤产生问题，你很可能会考虑换一个品牌。

So, if you find you’re experiencing some problems with your current mineral makeup and it contains bismuth oxychloride, you may want to consider switching brands.

And here we have arsenic, antimony, and bismuth, three delightful that 12 13 were given us in the 12th, 13th and 14th centuries by the alchemists.

这有砷，锑，和铋，这三个元素的发现,给与我们喜悦，在,和14世纪里，由炼金术士们。