YOU SAID:

I didn't wash my face so that my make-up would be ready for tomorrow.

INTO JAPANESE

私は私のメイクが明日のために準備されるように私の顔を洗うことはありませんでした。

BACK INTO ENGLISH

I did not wash my face as my makeup was prepared for tomorrow.

INTO JAPANESE

私のメイクは明日のために準備されていたので、私は顔を洗わなかった。

BACK INTO ENGLISH

As my makeup was prepared for tomorrow, I did not wash my face.

INTO JAPANESE

私のメイクは明日のために準備されていたので、私は顔を洗わなかった。

BACK INTO ENGLISH

As my makeup was prepared for tomorrow, I did not wash my face.