Perfume mixture, preferably perfume oil, comprises: (a) ethyl 2-(cyclopent-2-enyl)acetate (I) and (b) at least one perfume with a flowery olfactory note, comprising alcohols or aldehydes with a molar mass of = 210 g/mole and/or (c) at least one perfume comprising ketones, ethers or esters with a molar mass of 190-250 g/mole. Independent claims are also included for: (1) preparing the perfume mixture, preferably perfume oil, comprising mixing the component (a) with components (b) and/or (c) (2) enhancing natural freshness and/or emanation and/or masking or reducing greasy and technical and/or metallic notes of at least one perfume that is different from (I), preferably at least one perfume with a flowery olfactory note, preferably jasmine, comprising mixing the perfume that is different from (I) with an amount of (I) that is sufficient for enhancing the natural freshness and/or emanation of the perfume, and/or for masking or reducing the greasy and technical and/or metallic notes of the perfume (3) a perfumed product comprising the above perfume mixture, preferably perfume oil and (4) producing the perfumed product, comprising (i) providing the above perfume mixture or producing the perfume mixture by the above method, (ii) providing the other components of the perfumed product, and (iii) contacting the other components of the perfumed product provided in step (ii) with the perfume mixture provided in step (i), where the amount of (I) in the perfume mixture is sufficient to enhance the natural freshness and/or emanation of at least one or all perfumes of the components (b) and/or (c) and/or to mask or reduce the greasy and technical and/or metallic notes of at least one or all perfumes of the components (b) and/or (c), or (ia) providing the components of the perfumed product, which does not comprise components (a), (b) or (c) of the perfume mixture, (iia) mixing the components of the perfumed product provided in step (ia) with the components (b) and/or (c) of the per
