YOU SAID:

my mom is very pretty and she always has her hair in a messy bun

INTO JAPANESE

私の母はとてもきれいで、いつも髪をボサボサにまとめています

BACK INTO ENGLISH

My mother is very pretty and always keeps her hair messy.

INTO JAPANESE

私の母はとてもきれいで、いつも髪をボサボサにしています。

BACK INTO ENGLISH

My mother is very pretty and always has messy hair.

INTO JAPANESE

私の母はとてもきれいで、いつもボサボサの髪をしています。

BACK INTO ENGLISH

My mother is very pretty and always has messy hair.