expression, godan verb (-su)
touch up one's makeup; fix one's face
Refers specifically to reapplying or adjusting makeup, often after it has smudged or faded. Commonly used when excusing oneself to the restroom.
ちょっと顔を直してきます。
I'll go touch up my makeup for a moment.
泣いた後で、彼女は鏡を見ながら顔を直した
After crying, she fixed her makeup while looking in the mirror.