YOU SAID:

My hair is large today.

INTO JAPANESE

今日は髪の毛が多いです。

BACK INTO ENGLISH

I have a lot of hair today.

INTO JAPANESE

今日は髪の毛が多いですね。

BACK INTO ENGLISH

There's a lot of hair today.

INTO JAPANESE

今日は髪の毛が多いですね。

BACK INTO ENGLISH

There's a lot of hair today.