Supplementary Materials Table S1. Major components present in essential oils according to earlier studies. Name of Plant a Vegetable Material Source of the Essential Oil (Region) Major Essential Oil Components b Star anise (Essential oil provided by the International Anethole, p-allylanisole, p-anisaldehyde, linalool [11]. Anise Flavors and Fragrances Inc., Union Beach, NJ, USA) Anise seeds (Turkey) Trans-Anethole, methyl eugenol, methyl chavicol [28]. Leaves, flowers and stems (Mississippi, USA) Linalool, camphor, α-humulene, eucalyptol, eugenol, bornyl acetate, methyl chavicol, methyl cinnamate [31]. Basil Leaves and flowers (Mersin, Turkey) Estragole, limonene, fenchone, p-cymene, exo-fenchyle acetate [32]. Geraniol, citronellol, linalool, isomenthone, 10-epi-γ-eudesmol, citronellyl formate, geranyl formate, geranyl tiglate, Flowers (India) citronellyl tiglate [36]. Geranium Citronellol, geraniol, linalool, isomenthone, 10-epi-γ-eudesmol, citronellyl formate, geranyl formate, α-terpineol, Flowers (India) germacrene D, geranyl tiglate, geranyl acetate [37]. α-Zingiberene, camphene, ar-curcumene, β-sesquiphellandrene, β-phellandrene, E,E-α-farnesene, β-bisabolene, α-pinene, Rhizomes (India) Ginger geranial, endo-borneol, neral, valencene, 1,8-cineol, germacrene D [38]. Rhizomes (Australia) Geranial, neral, zingiberene, geraniol, ar-curcumene, β-sesquiphellandrene, (E,E)-α-farnesene [39]. Lavandin Different producers (France) Linalool, linalyl acetate, camphor, 1,8-cineole, terpinen-4-ol, borneol, lavandulyl acetate [43]. Leaves (No specified region) Linalool, linalyl acetate, camphor, eucalyptol, borneol [41]. Lavender Leaves, flowers & stems (India) Linalyl acetate, linalool, lavandulyl acetate, α-terpineol, geranyl acetate, caryophyllene oxide [42]. Fruits (Italy) Limonene, sabinene, b-pinene, γ-terpinene, α-pinene, geranial, myrcene [44]. Lemon Essential oil provided by the International Flavors and Limonene, β-pinene, γ-terpinene, α-pinene, p-cymene [11]. Fragrances Inc. (Union Beach, NJ, USA) Purchased from Adrian S.A. (Marseille, France) α-pinene, β-pinene, sabinene, myristicin, terpinene, terpinen-4-ol, safrole [9]. Nutmeg β-Pinene, α-pinene, myristicin, terpinen-4-ol, limonene, γ-terpinene, safrole, α-terpinene, β-myrcene, terpinolene, methyl Seed (Austria) eugenol, elemicin [47]. Bitter orange (Essential oil provided by the International Flavors and Fragrances Inc., Union Limonene, β-myrcene, β-pinene [11]. Orange Beach, NJ, USA) Sweet orange (Italy) Limonene, myrcene, sabinene, β-pinene, α-pinene, decanal, γ-terpinene [44]. Cosmetics 2015, 2 S2 Table S1. Cont. Name of Plant a Vegetable Material Source of the Essential Oil (Region) Major Essential Oil Components b Essential oil provided by the International Flavors and Patchouli alcohol, γ-guaiene, α-guaiene, methyl benzoate, β-patchoulene [10]. Fragrances Inc. (Union Beach, NJ, USA) Patchuli Leaves (Brazil) α-Guaiene, δ-guaiene, patchoulol, β-caryophyllene, α-patchoulene, β-patchoulene, seychellene [49]. Leaves (India) Patchouli alcohol, α-guaiene, δ-guaiene, seychellene, (E)-caryophyllene, α-patchoulene, β-patchoulene, γ-patchoulene [50]. Leaves (Italy) trans-Menthone, trans-menthol, trans-methyl acetate, cis-menthone, 1,8-cineole, β-caryophyllene [51]. Peppermint Leaves and flowers (Norway) Menthone, menthol, 1,8-cineole, menthyl acetate, α-pinene, β-pinene, β-myrcene, menthofuran [52]. Leaves (France, Hungary, Portugal, Romania, Czech Camphor, α-thujone, β-thujone, 1,8-cineole, α-humulene, camphene, α-pinene, β-pinene, β-caryophyllene [55]. Republic) Sage Essential oil provided by the International Flavors and α-Thujone, camphor, 1,8-cineole, camphene, isoborneol, δ-cadinene, β-thujone, α-caryophyllene, α-pinene, limonene [11]. Fragrances Inc. (Union Beach, NJ, USA) Thymol, p-cymene, γ-terpinene, β-caryophyllene, borneol, thymol methyl ether, carvacrol methyl ether, 1-octen-3-ol, Leaves (Italy) β-bisabolene [56]. Thymol, γ-terpinene, p-cymene, thymol methyl ether, carvacrol methyl ether, β-bisabolene, β-myrcene, 1-octen-3-ol, Flowers (Italy) β-caryophyllene [56]. Purchased from Adrian S.A. (Marseille, France) Thymol, p-cymene, linalool [9]. Thyme Essential oil provided by the International Flavors and p-cymene, thymol, camphene, α-terpineol [11]. Fragrances Inc. (Union Beach, NJ, USA) Flowers (Jordan) Carvacrol, thymol, γ-terpinene, p-cymene, α-terpinene, β-pinene [57]. Flower buds (Jordan) Carvacrol, thymol, γ-terpinene, p-cymene, α-terpinene, β-pinene [57]. Leaves (Jordan) Thymol, carvacrol, p-cymene, γ-terpinene, borneol [57]. a Trivial name; b Components thought to have a higher influence on the Raman spectra of the oils (due to their relative quantity) are underlined. Raman SpectraofEssentialOils Cosmetics 2015 Figure S3. , Figure S2. 2 Average spectrum of basil chemotype methyl chavicol essentialoil. methyl ofbasil chemotype Averagespectrum Figure S1. Raman intensity linaloolessentialoil. ofbasil chemotype Averagespectrum Raman intensity Raman intensity 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1640 1672 Average spectrum of anise essential oil. oil. aniseessential of Averagespectrum 1608 1613 1672 1585 1576 1654 1547 1640 1510 1452 1509 1608 1438 1447 1413 1413 1378 1378 1452 1374 Wavenumber cm / Wavenumber cm / Wavenumber cm / 1324 1338 1303 1298 1293 1282 1247 1215 1243 1200 1179 1210 1179 1168 1173 1083 1094 1115 1039 1083 1093 1011 843 1026 1039 995 967 939 956 -1 -1 928 -1 945 917 916 838 843 803 786 763 763 820 757 711 716 710 640 651 640 574 547 562 526 550 562 484 527 454 466 496 S 3 Cosmetics 2015 , 2 Figure S4. Figure S6. Raman intensity Figure S5. Raman intensity Raman intensity 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1729 1738 1712 1671 essentialoil. ofgeranium Averagespectrum Average spectrum oflavandin essentialoil. Averagespectrum 1640 Average spectrum ofgingeressentialoil. Averagespectrum 1640 1671 1672 1590 1548 1635 1548 1447 1438 1452 1413 1378 1378 1452 1378 Wavenumber /cm Wavenumber cm / Wavenumber /cm 1338 1330 1329 1298 1241 1293 1293 1220 1215 1231 1163 1168 1206 1093 1109 1009 1082 1083 1022 1017 1006 950 956 956 -1 -1 -1 928 928 911 860 878 832 832 804 803 803 781 775 734 763 764 751 693 670 676 652 652 627 640 587 556 587 478 513 466 479 454 453 S 4 Cosmetics 2015 , 2 Figure S7. Figure S9. Raman intensity Figure S8. Raman intensity Raman intensity 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1654 1698 1738 1673 1698 1676 Average spectrum oflavenderessentialoil. Averagespectrum 1640 Average spectrum ofnutmeg essential oil. Averagespectrum Average spectrum oflemonessentialoil. Averagespectrum 1644 1608 1566 1672 1545 1548 1548 1640 1414 1413 1376 1447 1368 1452 1432 Wavenumber cm / 1378 Wavenumber cm / 1328 cm Wavenumber / 1338 1303 1308 1298 1267 1288 1241 1241 1210 1200 1220 1162 1157 1163 1147 1077 1093 1044 1049 1082 1011 1011 1022 956 957 946 -1 -1 917 917 -1 928 877 878 860 855 855 832 780 798 803 728 762 705 734 763 670 681 757 693 646 646 652 627 568 580 544 527 552 508 490 478 478 473 441 428 463 S 5 Cosmetics 2015 , 2 Figure S11. Figure S10. Figure S12. Raman intensity Raman intensity Raman intensity 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 Average spectrum oforange (sweet)essentialoil. Averagespectrum 1667 1676 oforange Averagespectrum 1676 Average spectrum ofpa Averagespectrum 1640 1645 1645 1545 1545 1452 1438 1394 1394 1368 1368 1433 1328 1433 Wavenumber cm / Wavenumber /cm Wavenumber cm / 1308 1308 1308 1288 1288 1282 1241 1241 1231 1205 1205 1179 1158 1158 1104 1112 1112 1045 1077 1077 1001 1017 1017 957 957 -1 -1 -1 tchouli essential oil. 934 917 917 889 889 855 essentialoil. (bitter) 815 604 797 797 774 734 702 702 763 682 682 763 664 639 639 551 544 544 538 527 527 484 491 491 429 429 S 6 Cosmetics 2015 , 2 Figure S13. Figure S15. Raman intensity Figure S14. Raman intensity Raman intensity 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1800 1600 1400 1200 1000 800 600 400 1743 1708 1671 1671 1676 1657 ofpe Averagespectrum 1613 1640 Average spectrum of thyme essential oil. essential oil. ofthyme Averagespectrum 1580 1640 Average spectrum of Averagespectrum 1457 1481 1447 1442 1363 1378 1378 1344 1457 Wavenumber cm / Wavenumber cm / 1303 1298 Wavenumber /cm 1333 1267 1272 1272 1313 1210 1241 1184 1162 1178 1004 1104 1147 1088 1082 1061 1077 1045 803 1017 956 769 951 951 oil. essential ppermint -1 -1 -1 923 oil. sage essential 928 923 889 652 877 861 843 815 809 757 699 710 675 740 652 646 616 584 574 550 550 527 502 478 448 429 S 7 Cosmetics 2015, 2 S8 © 2015 by the authors; license MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/). .