When materials like oakmoss extracts are restricted by the exiting [sic] culture of toxicological imperialism on dubious safety grounds (and this applies also to other vital perfume ingredients such as coumarin and citrus oils - see elsewhere), the ‘art of the possible’ in perfumery’ dies back even further, with a result that fragrance companies, instead of vigorously opposing regulatory change, end-up producing cheap, conformist and essentially poor-quality perfumes with little consumer re-purchase potential, for a increasingly non-discerning market slot.

— From Sale / use of fragrant lichen commodities to become virtually illegal in Europe? at the aromaconnection blog, a must-read (albeit, a depressing read) for perfumistas.