Translation guide
The cosmetic product applied to lips, typically in stick form.
lipstick
Referring to the cosmetic item itself.
The most common and standard word for lipstick.
I bought a new lipstick.
That lipstick color is lovely.
Loanword from English, often used in fashion or cosmetic contexts.
This lipstick is long-lasting.
Shortened loanword, common in casual speech and product names.
I reapply lipstick.
The action of putting on lipstick.
Referring to the specific color or shade of lipstick.
Literally 'color of lipstick', used to talk about shades.
I wonder if this lipstick color suits me?
口紅 (kuchibeni) specifically means lipstick (colored cosmetic). For lip balm (colorless moisturizer), use リップクリーム (rippu kuriimu) or リップバーム (rippu baamu).