One of the first practical uses was checking the effectiveness of new cosmetic products.

该仪器最为实际的用途之一就是检测新化妆产品的有效性。

To avoid this, many cosmetic products are tested on animals to ensure that they are harmless.

为了避免这样的事情发生，许多化妆品用动物做试验，以此来确保其无害。

They're small plastic fragments less than 5mm in size. You find them in cosmetic products such as facial scrubs, shower gel, and toothpaste.

它是一种大小不超过5毫米的塑料粒子。磨砂膏、沐浴露和牙膏之类的化妆品中常含有这种物质。

A new law was put into action which actually will now require cosmetic products to list fragrance allergens on the label going into 2024.

一项新法律正在实施，该法律要求从 2024 年开始，化妆品需要在标签上列出香水过敏原。

I go to the duty free store. Normally I buy some perfume or cosmetic products cause they always have stuff that you can't get in department stores in the city.

我会去免税店。通常我会买香水和化妆品，因为免税店里有门店买不到的产品。

And that's because people are routinely exposed to PEG in cosmetic and household products, and some people have already developed antibodies against PEG. But why would this happen to some people and not to others?

这是因为人们经常会接触到化妆品和家用产品中的 PEG，并且有些人已经产生了针对 PEG 的抗体。但为什么这会发生在某些人身上而不是其他人身上呢？