noun
Cosmetic product applied to the cheeks for color.
彼女は頬紅をほんの少しだけつけた。
She applied just a little blush.
この頬紅は発色がとてもきれいだ。
This blush has a very beautiful color payoff.
チーク is a common loanword for blush, often used in makeup contexts. 頬紅 is the native Japanese term.
Compound of 頬 (hō, 'cheek') and 紅 (beni, 'rouge' or 'crimson').