When flakes of skin come off our scalps, we call it dandruff.

当片状的皮肤从我们的头皮上脱落时，我们称之为头皮屑。

So, why do some people have more dandruff than others?

那么，为何有些人的头皮屑比较多？

" That's why there is no dandruff ever in this family."

“就是个家庭没有头皮屑的原因。”

Ever wonder why there's silicone in your dandruff shampoo?

有没有想过为什么去头屑洗发水配方里有?

We call dead skin that collects on the scalp dandruff.

我们称聚集在头皮上的死皮为头皮屑。

This brand of shampoo can help get rid of your dandruff.

种牌的洗发精可帮助你去除头皮屑。

So the active ingredient handles the dandruff, but surfactants like these sulfates are what actually clean the scalp.

所以活性成分可以处理头皮屑，但像硫样的表面活性剂才是真正清洁头皮的。

As these fungi feast on our scalp's oils, dandruff may form.

当些酵母在头皮上大吃大喝时，头皮屑也随之产生。

And in about half of the human population, its activity causes dandruff.

它在近一半的人群中，导致了头皮屑的产生。

Okay, I have dandruff. There's no need to laugh and point.

就算我有头皮屑 你也不必指着我笑。

But if you stopped showering altogether, well, your dandruff would go into overdrive.

但是，如果你再也不洗澡的话，那么头皮屑就会超速增长。

I think a lot of people associate dandruff with being unclean, but that's completely not true.

我认为很多人把头皮屑和不干净联系在一起，但完全不对。

Do people with dandruff have a certain genetic predisposition?

有头皮屑的人有明确的遗传易感性吗？

I think that dandruff is a little hush-hush because nobody wants to be known as the snowflake.

我认为头皮屑是一个小秘密，因为没有人想被称为雪花头。

Cities turn out to follow mathematical rules and our dandruff shampoo turns out to be poisoning plants.

城市开始服从数学定律，并且我们的洗发香波竟然能够污染植物。

" Here's why clean scalp is important. Your hair roots must breathe-or there's trouble; deep trouble; dandruff."

“就是为什么清洁头皮非常重要的原因。你的发根必须要呼吸-]否则就会产生问题；严重问题，即头皮屑。”

Wow, my boyfriend is friends with Stephen Hawking and my new dandruff shampoo doesn't smell like tar.

我的男朋友与史蒂芬? 霍金是朋友我的新去屑洗发水味道也不是柏油味。

This is one of the most common actives used in the cosmetic space to fight dandruff.

是化妆品领域用于对抗头皮屑的最常见的活性物质之一。

The body detects these breaches and responds defensively, causing the inflammation that gives dandruff it's itch.

身体检测到水分流失并做出防御性反应，发生炎症反应，产生令人发痒的头皮屑。

But at the same time, any contact with your head will no doubt show how bad your dandruff problem is.

但是同时，任何与你脑袋的接触，都无疑会暴露出你的头屑问题有多严重。