A katakana noun meaning rose; compared with バラ, it often sounds more stylish or commercial, especially in phrases like ローズの香り for rose fragrance.
This shampoo has a rose scent.
I bought soap that smells of roses.
This cream contains rose extract.
She was wearing a rose-colored dress.
Only the katakana form ローズ is given; no language-of-origin information is specified. It is a foreign-style katakana word conventionally used for 'rose'.