PC, most manufacturers use a thing called 'fragrance oil'......not just for rose, but for nearly everything. I presume when the labelling requirements were being brought in, in the EU, the perfume industry had a powerful lobby, and managed to persuade the powers that be that they should not have to reveal all their secrets. Which I can totally understand to an extent. So it is permissible to simply put on the label 'fragrance' or 'parfum', and then list any known allergens. (Waiting for Henk to correct me at some point). But what they don't have to tell you is that the perfume contains man made molecules which smell like things we are familiar with, but which do not exist in nature. So if your product just says 'e.g. parfum' you have no way of knowing whether it is a blend of essential oils, or a synthetic simile.
Henk can no doubt tell us that there are no known problems with these things; personally, I just try to do what I feel is the best I can. Since becoming soapy obsessed, I have just felt that although I may not be perfect in personal life, and although there are always consequences environmentally from whatever we do, I should do what I can to be as natural as possible if I'm 'putting it out there'.