YOU SAID:
I am getting my hair done on Saturday
INTO JAPANESE
私は土曜日に髪を整えています
BACK INTO ENGLISH
I am shaving my hair on saturday
INTO JAPANESE
土曜日に髪を剃ります
BACK INTO ENGLISH
Shaving hair on saturday
INTO JAPANESE
土曜日に髪を剃る
BACK INTO ENGLISH
Shaving hair on saturday
That didn't even make that much sense in English.