freshen up

US /ˈfrɛʃən ʌp/
UK /ˈfrɛʃən ʌp/
"freshen up" picture
1.

to make oneself clean and tidy, especially by washing or changing clothes

:
I need to go freshen up before the party.
She went to the restroom to freshen up.
2.

to make something seem new or more appealing

:
We need to freshen up the living room with some new paint.
The new curtains really freshen up the whole room.