A cosmetic product applied to the lips to add color or shine; lipstick.
新しい口紅の色が顔色によく合う。
The new lipstick color suits her complexion well.
外出前に口紅を塗り直した。
She reapplied her lipstick before going out.
ナチュラルな口紅を選ぶと普段使いに便利だ。
Choosing a natural lipstick is convenient for everyday use.