Dandruff makes your head itchy and dry.

头皮会让你的头又痒又干。

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

这种牌子的洗发精可帮助你去除头皮。

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。

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

就算我有头皮 你也不必指着我笑。

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

那么，为何有些的头皮比较多？

" Dandruff itself is actually a very, very complicated condition."

“头皮本身确实是复杂的病症。”

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

当这些酵母在头皮上大吃大喝时，头皮也随之产生。

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

它在近一半的群中，导致了头皮的产生。

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

“这就是这个家庭没有头皮的原因。”

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，那么头皮就会超速增长。

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。

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

这是化妆品领域用于对抗头皮的最见的活性物质之一。

Dandruff is actually caused by a fungus called Malassezia, and it feeds on the oil.

头皮实际上是由一种叫做马拉色菌的真菌引起的，它以油脂为食。

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

我认为头皮是一个小秘密，因为没有想被称为雪花头。

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

我认为很多把头皮和不干净联系在一起，但这完全不对。

Do people with dandruff have a certain genetic predisposition?

有头皮的有明确的遗传易感性吗？

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，产生令发痒的头皮。

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，但像硫酸盐这样的表面活性剂才是真正清洁头皮的。

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

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

It is usually for, if you have a dry scalp, if you have dandruff.

它通用于头皮干燥或有头皮的情况。